The Opposite Of Sex is a 1998 black comedy starring Christina Ricci, Martin Donovan, Ivan Sergei and Lisa Kudrow. The main protagonist is Dede Truitt (Ricci), a troublemaking teenage girl who leaves after home after her father dies and moves in with her gay brother (Donovan). After a few weeks she seduces his boyfriend (Sergei) into bed and ends up pregnant. After that, the two of them take off to LA, emptying the brother's bank account along the way.