Rosie is troubled by the attentions of an ex-boyfriend who won't leave her alone. When it escalates into a full-blow stalking case, Rob and Carol become concerned when they discover the obsessive has a history of violence against his ex-girlfriends, bringing out a darker side of Younger when he tries to protect his friend and pushing the plucky young mechanic over the edge. Meanwhile, Peggy's car is stolen - with David's dog Deefer in the boot! A series of other car thefts and a number of other dog disappearances leaves the Miller and his men baffled. Elsewhere, Gina tries to encourage Bellamy to open up about his feelings in the wake of his marriage, only for the full extend of his heartache to come spilling out when she suggests they give their chaotic romance another go.