Growing up on the embattled Mawr Estate in South Wales, all Gemma sees are burglaries, muggings, sadness and boredom. With a dad in prison and a mum who has given up hope, she, like everyone around her, is holding on to memories of the times when happiness wasn't so hard to find. When her search for the scene of a perfect childhood day takes her up into the surrounding hills, Gemma is forced into a meeting with the legendary Cowgirl.