Darryl and Yvonne's anti-drug lessons to their kids nearly go up in smoke. Darryl is having a bad day: Yvonne's freeloading sister Shari is moving into an apartment in their neighborhood. Then Shari comes over to his place and tries to steal a jacket that belongs to Sydney . Darryl struggles with her over it and a joint falls out of a pocket. That throws Darryl and Yvonne for a loop, but they're even more shocked when Sydney reveals to whom the jacket really belongs (thetvdb.com)