Welcome to the world of the petty Dublin criminal. There`s Massive, Mags, the Byrne brothers and then there`s Cal, a small-time crook who always has time to help the elderly even when he`s robbing the local post office. Cal`s number one fan is his young son David, who`s following in his father`s footsteps, to the great dismay of his mum. The principal of his school is looking for a reason to expel him, the guards are on his trail, and a rival gang want his luminous sneakers. When they all meet up in the principal`s office, something has to give.