The story revolves around a family of four. Gi Woo’s friend tells him to replace his position as a tutor in a rich family. He uses this as a chance to employ his family members.
Seok Woo heads to Busan from Seoul with his daughter by a KTX train. However, they get stuck with other passengers on the train due to a virus breakout & the survival game begins.
Jin Seok moves into a new house with his family & his elder brother gets abducted. His brother comes back after 19 days with no memory. Jin Seok tries to reveal what had happened.
A Korean swindler recruits a pickpocket to get hired as a maid to a Japanese heiress. He wants to rob the heiress & take all her wealth. But, the maid & heiress develop an attraction.
A man who is imprisoned for no reason gets out after 15 years only to find himself in love with a chef. His captor then gives him five days to find out why he was locked.
In 1986, a young woman is found dead. Two local detectives try to investigate the murder, without any result. Then, a detective from Seoul comes to help them.
A psychopath kills a woman. Her fiance decides to track down the murderer himself. He catches the psycho, beats him & let him free. The game of cat & mouse begins.
A pimp becomes involved in a breathless race to catch a serial killer after one of his girls goes missing. To find evidence, he has just 12 hours before the killer is released.
Geum Ja goes to prison for killing a boy & gets released. She teams up with a group of friends she made while in prison and sets out to clear her name and find the daughter.
A nuclear power plant explodes due to an unexpected earthquake & hydrogen gas gets released. To stop the spreading of gas, Jae Hyuk goes into the nuclear power plant to save the people.