Nina gets a test taken at the hospital; Billie's insecurity about Rosanna intensifies when Mick insists he's still doing the tour with her; meanwhile Billie is forced to spend the day with Ollie.

Nina and Leo are floored by an unexpected patient at St Francis; Mick asks Billie to come to London with him; Cherie must choose between Kim and Clegg's needs. As Billie prepares for a new life ...