Bill Martin has just finished construction on a picturesque new home for his family, but unknown to him, the previously barren property was once the site of the infamous Amityville murder house, which contains demonic entities with murderous sights on the family.

After a fight with his wife, who's leaving him, Dan's day is getting worse by the minute. He calls an old friend for a night of binge drinking and intoxication. They start a cathartic ride through the city's underbelly.

Oscar Bonsetter tells a dying prisoner that he will take revenge on the sadistic guard who killed him. In exchange, Oscar is told of a stash of money. Oscar is eventually released from prison but when he goes to get revenge, he gets sidetracked by the now-handicapped guard and his alluring wife, Rose. The tension builds as Oscar becomes more and more attracted to Rose.

Sam Dietz is back and must find and stop another serial killer before he kills again. Detective work for Dietz is tough having to juggle two gorgeous women - one his partner, and the other his shrink, who holds the key to the case.