Homicide detective Catherine Palmer (Ellen Barkin) is determined to stamp out sexism in her police station and to gain the assignment of two separate murders of women involved in sexual fetishes. She heads for the city's underworld with the hope of getting some clues to connect the two murders and her investigation brings her to a group of bisexual and lesbian women, which both murder victims belonged to. She decides to join the group with the view of finding the murderer amongst them. But her personal life begins to get caught up with her work and her job is now on the line. Her prime suspect has now become the next victim and it is not long before Catherine is to become the next victim of a targeted group.