Injured by an IED in Afghanistan, Tesla has returned home to London, but it doesn't feel like home anymore. Suffering from PTSD, with no friends or family, he is alone with his regrets and a very bleak horizon. That is, until the universe conspires to help him with an unlikely friendship. The charming and larger than life Sky bounds into Tesla's world, quickly proving that friendship can be a great healer. Joy, enthusiasm and hope prove infectious and soon Tesla, not only finds meaning but also, a job and a girlfriend. However, Sky is hiding a secret and it's catching up with him fast.