It's Alex's 21st Birthday, but she's stuck at the amusement arcade on a late shift so her friends decide to surprise her, but a masked killer dressed as Mickey Mouse decides to play a game of his own with them which she must survive.

It's bad enough that boarding school students Samantha and Clara can't go home for the holidays, but things take a deadly turn when a murderous gang arrives on their doorstep - just in time for Christmas.