Park Ji-yeon

A group of high school students and teachers who get locked in the school after the swimming instructor is murdered.

Citizens from upscale Gangnam in Seoul start experiencing unusual and terrifying symptoms, devolving into inhuman creatures, leaving only a few survivors with the possibility to make it out alive.

After his parents are murdered, Bin is taken into the care of relatives. He begins to act strangely, the new occupants of his house experience horrific nightmares, and a mystery unfolds as a terrible secret is revealed.

An actress preparing to return to acting after a long hiatus, who gets caught up in an unexpected incident and heads straight towards catastrophe.