Chas Winter, as a brash lad of seventeen, could not have foreseen that the brutal bullying of Donald Bracken would alter the course of both their lives. Tormented by his peers, Donald's hatred for the bullies spreads like insidious cancer invading his thoughts night and day. Compelled to prepare for his payback (utu), the weedy teen joins the Army and becomes a highly skilled assassin. His skills honed, he returns to New Zealand and the killings begin.