After returning from a wedding reception, a couple staying in an isolated vacation house receive a knock on the door in the mid-hours of the night. What ensues is a violent invasion by three strangers, their faces hidden behind masks. The couple find themselves in a violent struggle, in which they go beyond what either of them thought capable in order to survive.

The story revolves around a new high school student, Jo (Meaghan Martin) , who agrees to befriend an outcast, Abby (Jennifer Stone), at the urging of Abby’s wealthy father in exchange for paying all of Jo’s costs for the college of her dreams. Jo and Abby team up to take on the school’s mean girls, the Plastics.

Gilbert has to care for his brother Arnie and his obese mother, which gets in the way when love walks into his life.