A gang terrorizes Mexico City's high society on 1915. Murder, kidnaping and robbery are their trademarks. One police inspector (Cabrera) follows the gang crimes and eventually send them to the jail.
Jeff, a young delinquent, is enrolled by his father in a kenpo school, in the hopes of teaching the boy some self-discipline. Years later, Jeff's mentor, Kim, is being threatened by one of the Korean mafia families. Jeff tries to help his old friend, but is too late to prevent Kim's death at the hands of an unknown hitman. Vowing revenge, Jeff takes on all of the families, using his martial arts skills to find the man who killed his friend.
New recruit Justin Rosa must monitor arms-smuggling cartel member Eddie Flynn — and keep him alive at all costs. When a SWAT team descends on Flynn’s home, Rosa breaks protocol and contacts the gangster directly to save his life. As gunmen break into the Wire Room and chaos erupts, Mueller and Rosa make a final, desperate stand against the corrupt agents and officials who seek to destroy evidence and kill them both.
An aging ex-boxer gangster working as muscle for a Boston crime boss receives an upsetting diagnosis. Despite a faltering memory, he attempts to rectify the sins of his past and reconnect with his estranged children. He is determined to leave a positive legacy for his grandson, but the criminal underworld isn’t done with him and won’t loosen their grip willingly.
When a young soldier, newly returned from war, gets caught up in a drug bust, he is recruited by the authorities to go undercover in a notoriously dangerous prison in order to figure out what is really going on.