R | | Thriller
A rich brother and sister are crazed killers. She lures men into her bed, and he attacks them and murders them. A detective is assigned to find the killers and bring them in.
Greta Blackburn and Karen Mayo-Chandler had both appeared in the previous year's Savage Harbor (1987)
When Seth is shot in the closeup of his body in the pool, there's a lot of blood. In other shots of him floating there is no blood in the water.