The O.C. Season 4 Episode 13

The Case of the Franks

Taylor makes a plan to fix things between Ryan and his dad. Julie continues her relationship with Bullit but when she runs into Frank when Ryan and Taylor are around they realize that she has been having a secret affair with Frank. When Kaitlin learns that Taylor and Ryan are trying to break up Frank and Julie she tries to get her mother to like Bullit, which forces Julie to choose between Bullit and Frank.Summer begins to think about if Seth really is the one for her.