After his last assignment ended with the death of an innocent woman, a hitman's new job in London is compromised when he is overcome with guilt, and ends up helping a desperate woman who is caught up in a human trafficking operation.

A vicious gang war for drug dominance draws in a disturbed Special Forces veteran John Bradley. Trying to adjust to normal life and haunted by inner demons of a violent past, the underworld's retribution on his last connection to humanity, a daughter and grandchild leads to a descent of fury and violence that not even the brutality of gangland is prepared for.