Bonnie tells Jessica that Ben thinks she is cheating on Isaac with Marshall. Jessica vows to set things straight and goes to ask Marshall for the tape. Meanwhile, Marshall denies Bens accusation that he is having an affair with Bonnie. Ben pays off a waiter to call him if Marshall has any female visitors. Later, the waiter sees Jessica arrive and calls Ben. Barbara and John are at Java in search of Bonnie when Barbara slips to Isaac that Bonnie was at Fairwinds on Thanksgiving. A concerned Isaac confronts Bonnie and they later make amends. Lucy, Aaron and Alison get stranded in a Tennessee barn after their car overheats. Alison drives off after Aaron and Lucy exclude her from their decision to spend the night at the barn. Later, Lucy and Aaron begin to make love while a distraught Alison surprises Emily with a phone call. Katie and Simon share special memories as they plan for their first anniversary.