Two immature detectives are joined by a pesky assistant district attorney in staking out a lakeside home where a Mafia trial witness is believed to be heading.

A jewel thief’s daughter is kidnapped after he steals a collection of prized black diamonds, which aren’t at all what they seem.

The lone survivor of an onslaught of flesh-possessing spirits holes up in a cabin with a group of strangers while the demons continue their attack.