Kati is on her way to a birthday party for her little sister Celine, while Tanja, Kati's best friend, and other friends are celebrating in a camp near the woods. While camping the girls are attacked by strangers. Kati, who is on her way to the camp site, gets lost in the forest and arrives at an old factory, where a clan of cannibals is already preparing their feast's main course - Kati's friends.