A tough guy goes undercover on a personal mission of vengeance into the hardcore world of S&M, to find out who's responsible for the death of his brother.A tough guy goes undercover on a personal mission of vengeance into the hardcore world of S&M, to find out who's responsible for the death of his brother.A tough guy goes undercover on a personal mission of vengeance into the hardcore world of S&M, to find out who's responsible for the death of his brother.