A boy is raised to be the perfect killing machine by his Father who is in a special branch of the Army. While the boy grows up his Father tries to keep him from feeling any type of emotions but the boy's mother shows him how great the feeling of being loved is. His Father puts a stop to it by setting up a scheme to have his wife killed. The boy then makes it his mission to find and kill all who had a hand in the murder. (Side note, this is a screen play for a manga/comic I'm working on.)
Motivated by a previous traumatic event which left his mother murdered by a viscous psychopath, Cosmo Markakis vows to exact revenge, but first must practice his new-found vigilante skills on some inner city lowlifes.