Seoul, South Korea, 1997. When the young but extremely anxious student Jin-seok, his parents and his successful older brother Yoo-seok move to a new home, mysterious and frightening events begin to happen around them, unexplained events that threaten to ruin their seemingly happy lives. Unable to understand what is happening, Jin-seok wonders if he is losing his mind.

A novelist suffering from a prolonged writer's block loses confidence in his work and love life.

With each day feeling hopeless and bleak, Kang Jin's life takes a dramatic turn when he stumbles upon a lost envelope of money belonging to Rang. Using this newfound wealth, he takes a stand against Nam Young's girlfriend Da-young. But when Nam-young discovers Kang-jin's actions, he strikes back by stealing his money and issuing dangerous threats. With nowhere to turn, Kang-jin confides in Rang, who reveals a secret knowledge of the debt-collecting world. Together, they embark on a thrilling journey of power and control, as Kang-jin takes his first steps into the world of loan sharks.

Mother disappeared. Son faces the truth that was hidden for thirty years. In 1983, a twisted love story among a woman, a revolutionary, and a fraktsiya unfolds.