A member of a therapy group is found dead. A prosecutor and a police officer try to solve the mystery of his death.

Handsome, wealthy neurosurgeon Philip Morawski decides to spend the weekend with a sinful young nurse, Dominica. Unfortunately, these romantic plans could upset his doctor wife, who is also staying at the same hotel on business. But for a man who works daily with a scalpel in his hand, there are no insurmountable obstacles.

A weird family named Makarewicz moves into a house recently abandoned by its owner, set in an idyllic but isolated Masurian village. Very soon a number of local residents and a few visitors mysteriously disappear. Nobody suspects that their new neighbors are a perfectly camouflaged vampire family...