With the aid of unexpected friends, a gifted but introverted student confronts bullies and violent foes — unaware of how dangerous his world will become.

Survivors from a massive earthquake struggle for a new life in Seoul.

A working class family move into a new condo purchased after 11 years of hard work. They throw a housewarming party to show his co-workers when overnight a heavy downpour creates an extremely deep sinkhole that engulfs the entire building.

Residents of a high-rise building fight for survival when a deadly disease breaks out and turns the infected into blood-lusting zombies.