Be yourself, people say. But the last person Clare Palmer wants to be is herself – she's lost everything she once had and now can barely get through a bus ride without wanting to thump someone. (People who don't wear headphones, sniffers, fried chicken guzzlers.)

So when she discovers her resemblance to beloved reality TV presenter Jenna Cox, Clare jumps at the chance to become a lookalike, earn some cash and get her life back together.

But it's all too easy to cross the line between celebrity lookalike and pretending to be the real Jenna – and becoming someone else is about to take Clare's life down a track that's even rockier than the one she's on…