Mitch Sewell's boxing career was just taking off when the unimaginable happened.
He killed someone in the ring.
Vowing never to step foot in a boxing ring again, he retires to run the gym he part owns and teach self-defence classes.
Every day is a constant battle against the memories crippling him.
That is until the day someone walks through the gym door and gives him a brief glance of how different his life could be, if only he can overcome his baggage.
Can Mitch break away from the guilt, or will it keep him chained forever?