Dead Snow

Four interwoven stories that occur on Halloween: an everyday high school principal has a secret life as a serial killer; a college virgin might have just met the one guy for her; a group of teenagers pull a mean prank, and a bitter old recluse receives an uninvited guest.

A dysfunctional couple head to a remote lakeside cabin under the guise of reconnecting, but each has secret designs to kill the other. Before they can carry out their respective plans, unexpected visitors arrive and the couple is faced with a greater danger than anything they could have plotted.

A group of survivors take refuge in a shopping mall after the world is taken over by aggressive, flesh-eating zombies.

Following Jigsaw's grisly demise, Detective Mark Hoffman is commended as a hero, but Agent Strahm is suspicious, and delves into Hoffman's past. Meanwhile, another group of people are put through a series of gruesome tests.