Meet Crystal and Harry - sweethearts and lovers who work in the lower fringes of the entertainment business.After brutally murdering three critics for poor reviews of their show, Crystal and Harry decide it best to skip town and head for the coast. Once there, they know that everything will turn out just fine - it will be their chance to start afresh.A new beginning.But, before they make their way to the seaside, Crystal insists that they visit her sister at Castell Hirwaun, a renowned psychiatric facility for the dangerously insane - because, after all, it is because of Crystal that her sibling sits rotting in the place. At the beginning of their adventure, Harry discovers a book in the van's glove compartment - Whitewalls and Straitjackets - written by an unknown author who exhibits the most intimate knowledge of the deadly duo, along with the other nut jobs who lurk about the Rhonda Valleys in that most picturesque part of South Wales. As lives and stories collide head-on, Crystal and Harry soon realize that escaping the Valleys won't be quite as easy as they's first assumed - especially so with another vicious serial killer hot on their heels....