Armed with an ID for Spencer's killer, Lizzie persuades Kieranto open up Operation Perseus to Sarah so she can make thearrest. Even with Lizzie acting as peace-maker it's clear thatSarah and Kieran loath one another. After testing Steve's coverat gun-point, Shakiel invites him to become his number 2.Kieran and Steve realise that Shakiel is about to make the movethat will give him control of South London.; they, however,will be in the right place to stop him. But Shakiel always hasa card up his sleeve and this time it's Ryan Kennedy.