Girlfriends - Season 1 Episode 11 The Importance of Being Frank

Joan begins dating a client, Frank Anderson. Everything seems to be going well until a crazed woman shows up at the office looking for Joan. She tells Maya and Lynn that she trailed her husband to Joan's house. Joan angrily breaks up with Frank in public. She later learns that Toni has been using her house to rendezvous with her married boyfriend and assumes that she was wrong to suspect Frank of wrongdoing. However, Toni's boyfriend soon delivers some surprising news that sheds new light on the situation.