A suspicious Donna persuades a reluctant Marlon to follow her mother. Horrified that she is close to discovering Paddy and Viv's affair, he desperately distracts his girlfriend and she fails to discover the identity of Viv's mystery man. Inside the hotel room, a guilty Paddy decides that he can't go through with the liaison and leaves a disappointed Viv feeling dejected and alone. Meanwhile, Emily goes looking for her husband and when she is unable to find him she confesses to Paul that she is no longer happy with her relationship. Could this be the end of the road for Paddy and Emily?