A group of sorority sisters, snowed in over the holiday break, tries desperately to survive the night as a relentless killer terrorizes and murders them, one by one.

20 men are chosen to participate in the roles of guards and prisoners in a psychological study that ultimately spirals out of control.

The movie covers the events which occurred in between the downfall of The Company and the finale of the TV series (SEASON 4). It details the arrest and incarceration of Sara Tancredi, the final escape plan which Michael devises for Sara, and reveals the ultimate fate of Gretchen Morgan.