Otavio and his escort are given room no. 13, which is said to be haunted. Once there, however, he falls in love with Zoraide, who has been unable to leave the room since her murder there in the 1970s.
Janete, a woman who swings both ways, arranges for a threesome with her two lovers. But the situation gets out of control when the two lovers recognize one another.
On his wedding night, a shy and religious virgin discovers that his new wife is more sexually experienced than he thought.
A couple decides to spice up their marriage with a night at a motel, but a disagreement awakens a spirit who possesses the wife and gives her husband much more than he bargained for.
Deeply depressed, Ophelia goes to the motel where she and her husband spent their first night together to commit suicide. But when she orders room service, the delivery boy interferes with her plan.
When a respected lawyer who frequents a dominatrix at motel Divine Sin is found dead, the police decide to reconstruct the last moments of his life to find out who killed him.