In 1987 Korea under an oppressive military regime, the unlawful interrogation and death of a college student ignite ordinary citizens to fight for the truth and bring about justice.

For the first time in Korean history, the mayor of Seoul attempts a third term in office, with his entire campaign team ready to soil their hands.

Jin-a, a young prostitute, moves into a seaside motel called the Birdcage Inn, run by a dysfunctional family. Struggling with her circumstances and the family's treatment, she forms an unlikely bond with the daughter, Hye-mi. As they navigate love, betrayal, and personal growth, their friendship ultimately leads to a deeper understanding and a chance for redemption.

Jeong-eun is embarrassed that her mother, who is suffering from dementia, wants to meet and call her sister from who was separated with due to the Korean War. However, Jeongeun accidentally receives a wrong call from a North Korean woman and is asked a favor.

Mr. Kim is jobless, lost in debt and has been dumped by his girlfriend. He decides to end it all by jumping into the Han River – only to find himself washed up on a small, mid-river island. He soon abandons thoughts of suicide or rescue and begins a new life as a castaway. His antics catch the attention of a young woman whose apartment overlooks the river. Her discovery changes both their lives.

An aspiring singer Sun-deok is visited by her mother, whom she hasn’t spoken to in years. The abrupt encounter leads to the news of her younger sister Yuri, who had vanished with their savings. The mother-daughter team is now hunting for the missing girl and their money, poking around in Itaewon, the international hub of Seoul. Little do they know that soon they will be faced with Yuri’s unlikely secrets.

A teenage girl is captured by a giant mutated squid-like creature that appears from Seoul's Han River after toxic waste was dumped in it, prompting her family into a frantic search for her.

A drifter lives in people's houses while they are away and repays them by doing chores for them. His life changes when he meets a beautiful woman who wants to escape her unhappy marriage.

Three friends from the northern half of Seoul move to the more affluent southern half, but experience many troubles there.

Kwon returns to Seoul from a restorative stay in the mountains. She is given a packet of letters left by Mori, who has come back from Japan to propose to her. Kwon drops and scatters the letters, all of which are undated. When she reads them, she has to make sense of the chronology.

Eunmi is preparing for the civil service exam at Noryangjin Academy, but her preparation does not seem to be smooth. Seemingly taciturn and somewhat daunting, she often opens her windpipe with light love and sex. Around that time, when she sees a man at a study group and develops a better relationship, strange rumors about him begin to circulate.

After 1988 Seoul Olympic, Ji Kang-heon, who is sentenced for 7 years, and other inmates escape from the police van. After escaping, Ji Kang-heon and inmates make the entire Seoul under fear while they hold hostages.