Joe (Martin Compston) is a mild mannered young man bored by his humdrum London life. When his beloved brother (Neil Maskell) is murdered, Joe finds solace in Piggy, one of his brother's old friends. Piggy helps Joe to cope with grief, intent on saving him and helping him get justice for his brother's killing. As their friendship grows Joe finds himself in an increasing dangerous and murky world of violence and revenge. As Joe life collapses around him he starts to question who Piggy really is, and how honest he's really been with him. When Joe confronts Piggy a series of events are put in place that lead to a disastrous climax.