Gemma Perkins is a parking meter attendant with a passion for Elvis. He never lets her down, unlike every other aspect of her life. She lives at home with her downtrodden dad and over-authoritative mum. She hates her job and she wants a way out. Desperate, she begins to steal change from the parking meters and spend it on rock & roll memorabilia. But how long before Gemma finds herself 'caught in a trap'?