Jim and Susan go after a former cop who's gone on the lam after being sentenced to five years in prison. Meanwhile, Susan is struggling to make time for her family and Jim is devastated after his wife asks for a divorce. Jackie runs into her old friend Jodie from their training days, and together they bring a touch of glamour, energy and tough-talking to Newton Park Police Station. There's never a dull moment when the two of them are around and it soon becomes clear that their relationship's going to be far from plain-sailing.