A young poker player at the top of his game joins a team led by the legendary poker player One-Eyed Jack. While successfully working on a plan to win a huge jackpot, a single mistake puts the entire team in a life-or-death situation.

Min-cheol, who works at a motel, makes dirty money by filming illegal sex videos of the guests. Although feeling guilty, he has no choice but to continue the job to pay loan shark debts. On one rainy night, he witnesses a guy strangling a drunk woman to death through the hidden camera. Still debating between selling this provocative footage and reporting a crime, Min-cheol now has to make a decision.

An older brother is a washed-up boxer. His younger brother is a genius pianist with physical disability. The brothers make up through their mother who is full of stories of her past.

As a grisly virus rampages a city, a lone man stays locked inside his apartment, digitally cut off from seeking help and desperate to find a way out.