Claire Niveau is in love with Beverly. Or does she love Elliot? It's uncertain because brothers Beverly and Elliot Mantle are identical twins sharing the same medical practice, apartment and women - including unsuspecting Claire.

In portrayals that won the New York Film Critics Best Actor Award, Jeremy Irons plays twin gynecologists whose emotional dependency collapses into mind games, madness and murder. Genevieve Bujold, the Los Angeles Film Critics Best Supporting Actress choice is Claire. And David Cronenberg (The Fly) won Los Angeles Film Critics Best Director honors for melding split-screen techniques, body doubles and Iron's uncanny acting into an eerie, fact-based tale "unnerving but also enthralling" (Desson Howe, The Washington Post).