 While traveling to fish in a frozen lake with two friends, the director of animated movie Thomas Kempton loses his backpack and returns alone seeking it in the track. However, he has an accident with his vehicle and asks for help to two locals, the insane cannibalistic sisters Vanessa Boulette and Ann Boulette, and he is abducted by them. Later their friends kill Ann and rescues Thomas, but they are chased by Vanessa in her snowmobile. After an avalanche, Vanessa is considered dead by the law enforcement, but Thomas becomes obsessed by her life, tracking down her daughter Clara Hansen, who was adopted when she was six and does not know her origins. Thomas gets close to Clara trying to disclose her past and gets involved to a dramatic family situation.