Robbie is an ordinary Dublin boy until he hurts his head in an accident on St Patrick's Day. His injury changes everything. When he returns to conciousness, Robbie believes that God has given him the power to perform miracles. At first he contents himself with winning the spot-the-ball competition in the newspaper, but when he sent to hospital for 'observation' he decides to cure the other boys of their various ailments. Then tragedy strikes closer to home and Robbie needs all his powers to keep his world intact.