Once a charming underachiever, he's now such a loser that he can't even commit suicide properly. Waking up in hospital after falling the wrong way on a rooftop, he comes to a decision. He shouldn't waste perfectly good organs just because they're attached to his head. After a life of regrets, Sully wants to do one useful thing: he wants to donate a kidney to a stranger.As he scrambles over the hurdles to become a donor, Sully almost accidentally forges a new life for himself. Sober and employed, he makes new friends, not least radio producer Natalie and her son Louis, and begins to patch things up with old ones, like his ex-best mate Tim. Suddenly, everyone wants a piece of him.But altruism is not as easy as it seems. Just when he thinks he's got himself together, Sully discovers that he's most at risk of falling apart.