A pair of happy-go-lucky siblings, left alone while their parents recover from an illness, play a series of pranks on each other. The game becomes nightmarish when they realize something sinister is watching them - and it wants to play too.

A pair of happy-go-lucky siblings, left alone while their parents recover from an illness, play a series of pranks on each other. The game becomes nightmarish when they realize something sinister is watching them - and it wants to play too.