Mercy (2000)

Homicide detective Catherine Palmer investigates a series of serial killings of women who have been tortured to death by S&M, all of whom have had their eyelids cut off. The investigation takes Catherine into a group wealthy upper class women, where she is drawn to the chief suspect, Vickie Kittrie, who has a penchant for S&M and women, as well as to Dr. Broussard, the victims' shady therapist with some dark secrets of his own.