Struggling to cope with a tragic loss, Denis Murphy has learned to live a bit differently. Both his friends are used to it - the only problem is his monstrous housemates. When his enigmatic ex-girlfriend comes back into his life, she threatens to shatter the finely crafted world around him. As Denis begins to re-emerge from his sheltered existence and rediscover the person he used to be, things turn nasty, and he is forced to confront the demons that share not only his house, but also his head...