Pandora

An otherwise model citizen's petty crime quickly escalates into felony when he runs away from the police station, dragging a career criminal with him.

In a hospital parking lot, Officer Song Yeon-hwa is briefed about Park Pung-shik, an alleged gigolo who preys on rich housewives. One of his latest victims is the police chief's wife, who refuses to testify against him, despite giving him $30,000. Song is told to go undercover as a hospital patient in order to secure evidence leading to his arrest. In the hospital, she finds the mild-mannered Park and talks to him over coffee, where he mentions that he ballroom dances for a living. Song asks him why he came to become a dancer and he starts his story.

Jae-hyuk is a pharmaceutical worker for a medical supplies company. When a series of dead bodies are found floating in the Han River. The public is shocked to discovered that the deaths are related to a fatal outbreak of virus-infected mutant parasitic horsehair worms, called 'Yeongasi', that can control the human brain. Those infected shows symptoms of hunger and thirst, hence jumps into the river to combat dehydration. Whilst the authorities work to find a cure, Jae-hyuk struggles to save his family when they also exhibits similar symptoms.