In this dark comedy, a teenage misfit helps a depressed loser try to end his life. But her plan gets complicated when love gets in the way.

Detectives Nick O'Malley and Kate Benson work in Special Unit 2, a secret precinct of the Chicago Police Department whose sole charge is to protect the city's citizens from Links, a malicious paranormal species that is the missing link between man and beast.

Four young college students agree to fix up an abandoned home for rent, only to discover the demons within and an open doorway... to Hell.