Growing up on the embattled Bryn Mawr Estate in South Wales, all Gemma sees are burglaries and boredom, as she holds onto times when happiness wasn't so hard to find. But when the legendary Cowgirl arrives abruptly in Gemma's life, it turns out they both have a mission on their hands. It's been a long time since anyone on the Bryn Mawr Estate ever saw a cow. But they're about to get a lot closer to home.