So Michelle’s Mum Anna has gone and done it again. Married another new husband. And worse, Michelle has to move in with them into their new house. But even worse, this time Michelle has to contend with a new big-titted, emotionally-manipulative step sister called Scarlett. Before she knows what’s happening, Scarlett is invading her life, co-opting her friends and offering unwanted advice about what to do about her still incapacitated ex-boyfriend Tony. So when Scarlett inveigles herself onto Michelle’s birthday camping trip to the Gower and starts to move in on the emotionally fragile Sid, Michelle’s got to do something. Sid needs Michelle, he’s her friend, so she does the only thing she knows. But who’s that arriving back from Scotland and full of hope for Sid? Now that is bad timing.step in. Sid needs a friend, Michelle. But Sid has always had a thing for her so she does the only thing she knows. Now they have to live with the consequences. Are they going to tell Tony? And who's that arriving back from Scotland and full of hope for Sid? Now that is bad timing.