Dr. Jekyll & Mistress Hyde (2003)

Plot

Dr. Jackie Stevenson, a therapist and scientist in Los Angeles, is determined to create a serum that distinguishes between the virtuous and the hedonistic aspects of female psychology. Following a failed experiment with a client named Martine, who succumbs to madness and ends up in a mental institution, Jackie decides to test the serum on herself. The result transforms her into Heidi Hyde, a seductive and insatiable alter ego. Embracing her newfound identity, Heidi roams the streets of L.A. at night, indulging in wild and uninhibited escapades.