Son Moo-Han works as a managing director of an advertising company. An Soon-Jin lost her daughter unexpectedly and she works as a flight attendant. Eun Kyung-Soo is An Soon-Jin’s ex-husband and he is now married to Baek Ji-Min.
When a popular anchorwoman for a prime time news show becomes the suspect in a murder case, her estranged husband - who has worked as a prosecutor in the past but now works as a public defender - decides to defend his wife.
Song Geurim is a radio program writer who isn't exactly talented in writing. She's got the passion, initiative, and drive, but due to her lack of writing skills, she still remains an assistant writer. When she was young, the radio was the only thing in the world that she could share with her blind mother. She was consoled by the sounds of the radio and loved it more than anything, so she became a writer. When her radio program is on the verge of cancellation, she succeeds in casting a top actor Ji Suho, who can't do anything without a script.
Kim Min Gyu has wealth and success, but lives an isolated life due to his allergy of people. He then meets and falls in love with a girl who is pretending to be a robot for her ex-boyfriend, a genius robots professor.
Il Seung was wrongly accused of a crime and imprisoned, and has spent ten years on death row. He manages to break out of prison and somehow becomes a fake cop, then sets out to find a hidden stash of 100 billion won (nearly 100 million dollars) on behalf of criminals who will supply him with a new identity upon receipt. He has three days to find the cash and begin his new life.
The story of people driven by greed. Kang Pil-Joo grew up at an orphanage, but he now works as a managing director of a legal team at a corporation. He is acknowledged for his intelligence and his exemplary job performance. Some of those that work around him are jealous of him. Na Mo-Hyun is an environmental activist and a science teacher at a middle school. She is a good listener and laughs a lot. She dreams of a love driven by fate.
Choi Kang-Woo is a former detective, but he now works as a veteran insurance investigator. He leads a team that attempts to reveal insurance fraud cases.
Ma Yi-Deum has worked as a prosecutor for 7 years. She sometimes resorts to drastic methods to win cases. One day, Ma Yi-Deum is transferred to a special division dealing only with sex crimes.
Story is set in Daegu, South Korea during the 1970's. Lee Jung-Hee is in the 2nd grade of high school. She has a bright personality and is the second daughter of a family who runs a toy factory. She and her friends go through adolescence.
Lee Roo-Ri tries to get a job at big company, but she gives up. She doesn't have a good relationship with her strict father. Lee Roo-Ri decides to travel to a foreign country to get away. There, she meets Jung Tae-Yang who goes by the YOLO motto. He wanders around the world and places priority on his happiness, but he also carries an emotional wound.