When the gang goes to Foxy Boxing for Peter's birthday, he ends up entering Lois into a boxing match.  Soon, Peter becomes her promoter and drives Lois to start a boxing career.  Lois uses her anger towards Peter to drive her and when Peter learns, he wants her to retire.  However, when a violent boxer embarrasses her by humiliating Peter, she agrees to step in the ring for a final fight.  After nearly getting herself killed, she takes down the woman.