Kev's sister, Kelly (Sally Carman), arrives in Chatsworth on the run from her ex-boyfriend, an aggressive junkie. She is desperate to retrieve her things from his flat, so Kev and Frank decide to step in and help her. However, Veronica soon discovers everything is not what it seems - and Kelly may be hiding a dark addiction herself. Meanwhile, Fiona is suffering from morning sickness, so Craig is planning a surprise trip to Wales to relax. Craig's wife, Sue (Gillian Kearney), is jealous of his new relationship and seeks solace in Marty. But when Sue breaks up with Marty, it leads him on a downward spiral which threatens to land him back in prison, forcing Debbie to take drastic actions. Elsewhere, tragedy strikes for Craig when he discovers his father has died.