The destinies of hard-luck lowlifes slowly converge and come crashing down: Jung-man barely gets by working at a sauna and taking care of his sick mother until he finds a bag full of cash in the locker room; Tae-young is in trouble after his girlfriend runs away with the money he borrowed from a loan shark. Soon, a dead body mysteriously turns up; Mi-ran, caught between her husband’s violence and a dead-end job as a bar hostess, she finds a young lover, Jin-tae who offers to kill her husband… And now their dog-eat-dog game starts.
Haeyoung is a hopeless girl. She lives with her father who runs a Chinese restaurant, and a younger sibling. One day, her father has a mysterious accident, which places her in a position of responsibility. She is now not only the head of the house and must look after her younger sibling, but also an investigator tasked with finding the truth about the accident, and a fighter standing against the ugly world.
Seoul, South Korea, September 21st, 2008. Eight citizens, the first to intervene as jurors in the country's legal history, are randomly selected to examine a matricide case that appears to have been resolved due to the existence of apparently conclusive evidence.
Missing and death cases take place in succession along the Korean Demilitarized Zone. South Korea forms a unit led by Captain Jo Jin-Ho and First Lieutenant Shin Yoo-Hwa as assistant leader. They are given only 24 hours to find out the truth behind the incidents. Team members find evidence, but they feel like something isn't right.
Jiseon, a working mother who takes care of her young daughter, Daeun, after the divorce, employs a nanny named Hanmae. One day, Jiseon finds out that the nanny and her daughter are missing, and she sets out to search for them.
Sohyun, a runaway, is left alone after her close friend Jungho disappears. By accident, she gets to know a transgender woman named Jane. She joins Jane and her close-knit community of runaways, who are as comforting and loving as a real family. Sohyun feels happy and at peace. But her happiness does not last long. There is something wrong with Jane’s health.