Dead Ringers (film)

Dead Ringers is a 1988 CanadianAmerican psychological thriller film starring Jeremy Irons in a dual role as identical twin gynecologists. David Cronenberg directed and cowrote the screenplay with Norman Snider their script was based on the novel Twins by Bari Wood and Jack Geasland. The film is very loosely based on the lives of Stewart and Cyril Marcus.

An actress, Claire Niveau, comes to the clinic for her infertility. It turns out that Claire has a trifurcated cervix, which means she probably will not be able to have children. Elliot seduces Claire and then urges Beverly to sleep with her. However, Beverly becomes emotionally attached to Claire, and this upsets the equilibrium between the twins. Beverly also begins sharing Claires abuse of prescription drugs, which he abets through his doctors authority. When Claire learns that Elliot has been taking sexual advantage of her by impersonating Beverly, she is angry and confronts them both in a bar, but later decides to continue a relationship with Beverly exclusively.Eventually, Claire leaves town to work on another film. This sends Beverly into clinical depression, more prescription drug abuse, and paranoid delusions about mutant women with abnormal genitalia. Beverly seeks out metallurgical artist Anders Wolleck and commissions a set of bizarre gynecological instruments for operating on these mutant women. After Beverly assaults a patient during surgery with one of Wollecks tools, both brothers are immediately suspended from practice and put on administrative leave by the hospital board. ........

Source: Wikipedia