Kaitlin (Delia Sheppard) is a bored housewife who finds fulfillment by impersonating her wanton twin sister Shauna & taking on Shauna's many lovers, including Kaitlin's own husband (Jeff Conaway) & a Presidential candidate/serial killer (Richard Arbolino). However, Kaitlin's assumed lifestyle comes with a cost, & she soon realizes the threat it poses to her own & Shauna's lives.