Out on parole after 8 years inside, Bill (Charlie Creed-Miles) returns home to find his now 11 and 15-year old sons, Jimmy (Sammy Williams) and Dean (Will Poulter), abandoned by their mother and fending for themselves. Dean reluctantly forces his Dad to stay, but when Jimmy finds himself in trouble with Bills old drug-dealing mates, Bill has to decide what kind of Dad he really wants to bea good one or a free one