Dan, a photography student who is given an SLR camera to use for his thesis by his professor Aim. However, Dan finds out that it actually is a test of the devil, which he has no way to escape. His only choice is to obey it or fight back.

When their mother is hospitalized in a car accident, Pim and Putt suddenly discover that they have a set of grandparents they've never known about. But a terrifying truth has long been hidden within the walls of their grandparents’ house, a truth that gradually reveals itself to Pim and Putt through a mystical hole, unleashing hair-raising horror on their family.