Ice House follows the story of two friends, Grant and Wayne, on one night's excursion to a fish house on a frozen Minnesota lake for an evening of camaraderie. What seems to be a harmless outing between two friends slowly evolves into a murderous plot between two men, both with hidden secrets and mysterious agendas.

An orphaned teenager forms an unlikely friendship with a detective. Together they investigate her mother's murder, and uncover the supernatural force that proves to be a threat to her family.