Han Soo-Ho and Han Kang-Ho were born as identical twins, but they live totally different lives. Han Soo-Ho works as a judge and he is guided by principles. Han Kang-Ho’s extensive criminal record contains 5 different arrests. One day, Han Soo-Ho suddenly disappears. Han Kang-Ho secretly takes his brother’s place as a judge. Han Kang-Ho, who was once considered trash, becomes “Dear Judge” and highly respected.
Lee Da-Il is a private investigator. He was formerly in the military, but a whistleblower case led to his discharge. Jung Yeo-Wool becomes his assistant. She is a fearless woman. They work together to solve a mystery surrounding the death of a younger sibling. They also work together to solve other cases, some involving ghosts
Gong Ma-Sung (Choi Jin-Hyuk) is a successor to the Sunwoo Company and he is an expert in the field of cranial nerves. One day, while trying to help a woman who he happens to meet, he has a car accident. Gong Ma-Sung suffers from short-term memory loss after the car accident and his memory lasts for only one day. Ever day, he writes down notes about what happened to him that day. The next morning, he memorizes the written notes that he wrote the night before. Gong Ma-Sung then meets Joo Gi-Bbeum (Song Ha-Yoon). She used to be a popular actress, but she is not anymore. They fall in love with each other.
A man does not have much time to live. Giving everything he has, he struggles to help a woman whose life was destroyed because of him.
Soo-Ho (Kim Jung-Hyun) is the CEO of a restaurant and the son of a family that runs large company W. Due to him, Ji-Hyun’s (Seohyun) life is ruined. Soo-Ho wants to turn back time for Ji-Hyun. Meanwhile, Ji-Hyun had a bright personality and easily socialized with others, but things changed. Her younger sibling suddenly dies and her time stops right there.
Cha Joo-Hyuk (Ji Sung) has been married to Seo Woo-Jin (Han Ji-Min) for 5 years. Cha Joo-Hyuk works at a bank and Seo Woo-Jin also has a working career. Due to an unexpected case, Cha Joo-Hyuk makes a choice and that choice leads people, including himself and Seo Woo-Jin, to have totally different lives in the present day.
Kim Young-Joon (Ji Soo) is a philosophy major at a university. He confessed to a girl at the same university about his feelings for her, but the girl rebuffed him. He experiences hard times because of her rejection of him. Kim Young-Joon then meets mysterious homeless man Kim Deuk-Hwan (Yoo Jae-Myung) who lives under a small bridge near Kim Young-Joon’s apartment complex. Kim Deuk-Hwan has also experienced failure in love and bonds with Kim Young-Joon.
Gong Woo-Jin (Yang Se-Jong) is a 30-year-old single man and he works as a set designer. Due to a trauma he experienced 13 years ago, he does not want to have a relationship with others.
When Woo Seo-Ri (Shin Hye-Sun) was 17, she fell into a coma. 13 years later, she wakes up from her coma. Her mental age is still that of a 17-year-old, but she is now 30-years-old.
Gong Woo-Jin and Woo Seo-Ri get involved with each other and fall in love.
Philip (Park Si-Hoo) and Eul-Soon (Song Ji-Hyo) were born at the same time and they seem to share fate. If one person is happy, the other person is unhappy. Philip has all the good luck in their fate and he is a top star. On the other, hand, Eul-Soon has all the bad luck and she works as a drama series screenwriter. They begin to work together for a drama series and mysterious things take place around them.
Lee Yool is the Crown Prince, but he suddenly disappears. He comes back to the palace one hundred days later. What happened to the Crown Prince for the past one hundred days?
Meanwhile, Hong-Sim is smart and runs the first private detective agency in Joseon.
A romance takes place between a neurosurgeon and an endocrinologist. The neurosurgeon is Han Seung-Joo (Ji Hyun-Woo). He has a strong desire for winning. The endocrinology doctor is Joo In-A (Lee Si-Young). She is obsessed about hormones.
Kim Do-Ran (Uee) has a bright and positive personality, even though she is in a financially difficult situation. She studies for an exam to become a public officer. One day, her biological father Kang Soo-Il (Choi Soo-Jong) appears in front of of her. She hasn’t seen him in 28 years. Kim Do-Ran’s life soon becomes twisted.
Lee Gwang-Jae (Kim Ji-Hoon) is the son of a rich family and he is immature. His father dies and leaves behind large debts. For his father’s honor, Lee Gwang-Jae struggles to pay off his debt. Kim Young-Ha (Kim Joo-Hyun) with her bright and positive personality supports Lee Gwang-Jae.
Set around an emergency 112 call center. During the golden time after a crime takes place, the call center chases criminals including a serial killer.
During the United States expedition to Joseon (South Korea) in 1871, a boy from Joseon boards an American warship and goes to America. As an adult, he returns to his home country as an American soldier stationed in the country.
A secret exits surrounding two women. One woman is the successor to a cosmetics company and the other woman lives her life for the female succors.
Min Chae-Rin (Lee Yu-Ri) is the executive director of the cosmetics company. She has an enthusiastic and positive personality, but, at the same time, she fights agains her unlucky fate.
Kang Mi-rae decides to get plastic surgery after being bullied because of her looks. However, at university, she is being teased as the “Gangnam plastic surgery monster.” The drama follows her story of recovering self-esteem as she gets to know Do Kyung-seok
A power struggle ensues at a hospital. Ye Jin-Woo (Lee Dong-Wook) is a doctor in the emergency medical center at Sangkook University Hospital. He has a warm heart and charisma. Koo Seung-Hyo (Cho Seung-Woo) is the president at Sangkook University Hospital. Koo Seung-Hyo is cool-headed and ambitious.
Park Yoo-Ha (Han Ji-Hye) studied hard in medical school and finished her intern course. She works hard to become a doctor due to her father. Her father raised 4 children by himself and her oldest sister also sacrificed for the family. Park Yoo-Ha is not interested in other people. Suddenly, her father marries a woman rich enough to own a building.
Meanwhile, Jung Eun-Tae (Lee Sang-Woo) works as a doctor. He volunteered for performing medical service abroad, but he comes back to Korea. Jung Eun-Tae is not interested in marriage, because his father placed priority on his medical work over family and Jung Eun-Tae believes he is like his father.
An ordinary girl is admitted to the most prestigious school in the country where she encounters F4, an exclusive group comprised of the four wealthiest and handsomest boys in the school – Dao Ming Si, Hua Ze Lei, Xi Men and Mei Zuo. Shan Cai is an 18-year-old girl from a family that’s barely able to make ends meet. Due to a turn of events, she gets accepted into a school thatonly accepts the upper class elites. She immediately clashes with her classmates especially Dao Ming Si who is spoiled, arrogant and a bully. She remains defiant even after becoming a target of a series of pranks intended to torment her and just when she’s about to give up, Hua Ze Lei always seems to show up to lend her a helping hand. Eventually, the four boys begin to acknowledge Shan Cai’s unyielding personality that is like her namesake which is that of a weed that can never be brought down. She also begins to see the good in the boys, which paves the way for friendship and an eventual romance.
Kang Cho-Hong (Yoon So-Hee) works as a delivery woman for a Korean food restaurant. She is a witch and she always finds herself in the business of others.
Kim Ji-Woon (Ha Seok-Jin) was born to a lawmaker father and doctor mother. He then went on to work at a big company, but he quit his job and stopped talking to his parents.
Kim Ji-Woon meets a woman and begins to work as a housekeeper at her home. While doing his job, he listens to his customer’s worries and gives advice to help them solve their problems.
Lee Soo Kyung is a 33-year-old single woman. She divorced when she was in her 20′s and now lives alone. She always wants to carry herself with dignity, but she loses self-control when she is near gourmet foods. Meanwhile, Goo Dae Young is a gourmet, especially talented with describing the taste of foods. He often lies when he opens his mouth, but he is usually considerate to others.
Nam Shin (Seo Kang-Joon) is a son from a family who runs a large company. After an unexpected accident, he falls into a coma. His mother Oh Ro-Ra (Kim Sung-Ryoung) is an authority on brain science and artificial intelligence. She creates an android named Nam Shin III which looks like just like her son Nam Shin. The android pretends to be Nam Shin and he has a bodyguard So-Bong (Kong Seung-Yeon).
Han Tae-Joo (Jung Kyoung-Ho) leads a crime investigation team. He has experienced a rapid rise in his career and he trusts data over people. While investigating a serial murder case, he has an accident. When Han Tae-Joo wakes up, he finds himself in the winter of 1988. He does not know why, but he is now a detective appointed to work at a police station in a small city. To get back to the present day, Han Tae-Joo tries to solve a serial murder case.
Young-Hee (Chae Shi-Ra) lives alone at an apartment. She has separated from her pilot husband Sang-Jin (Lee Sung-Jae), because he had an affair.
Meanwhile, Jung-Hyo (Jo Bo-Ah) is pregnant, but her boyfriend wants her to have an abortion. Jung-Hyo goes to Young-Hee’s apartment and tells her she will stay there until she gives birth. Young-Hee is her boyfriend’s mother.
Living together, Young-Hee and Jung-Hyo fight with each other, but also come to understand each other.
Lee Young-Joon’s family runs a large company and he works as the vice-president of the company. He is smart, rich and handsome, but he is arrogant. His secretary is Kim Mi-So. She has worked for him for years and she is perfect for him, but Kim Mi-So decides to quit her job.