Inspired by the true events of the infamous 1983 prison breakout of 38 IRA prisoners from HMP, which was to become the biggest prison escape in Europe since World War II.

John, a 35-year-old window cleaner, has dedicated his life to bringing up his 4-year-old son, Michael, after the child's mother left them soon after giving birth. When John is given only a few months left to live, he attempts to find a new, perfect family for Michael, determined to shield him from the terrible reality of the situation.