Chris reaches rock bottom. Rachel begins to suspect Mullen may not be all he appears, and Casey teams up with Marco to find a buyer.
Quest roles:
Faye McKeever(Jodie Sweeney), Philip Barantini(Steve), Christine Tremarco(Dr. Diane Gallagher), Rita Tushingham(June Carson), Karl Collins(Colin Westfield), Kerrie Hayes(Ellie Mullen), Maud Druine(Ruth), Laurel Waghorn(Laura), Philip Whitchurch(Joe), Jake Abraham(Car Park Attendant), Dave Hill(Billy), Matthew Cottle(Father Liam Neeson), James Nelson-Joyce(Greg Gallagher), Amaka Okafor(DI Deborah Barnes), Roy Brandon(Neighbour), Joe Macaulay(Terry Ayres), Jude Cooper-Kelly(Adam Mullen), Marji Campi(Elizabeth), David Loy(Marcus), Rob Pomfret(David), Nieve Hearity(Karen), David Ayres(Andy), Karl Kennedy-Williams(Fireman)