In 1970s America, a detective works to bring down the drug empire of Frank Lucas, a heroin kingpin from Manhattan, who is smuggling the drug into the country from the Far East.
After his home is conquered by the tyrannical emperors who now lead Rome, Lucius is forced to enter the Colosseum and must look to his past to find strength to return the glory of Rome to its people.
A man believes he has put his mysterious past behind him and has dedicated himself to beginning a new, quiet life. But when he meets a young girl under the control of ultra-violent Russian gangsters, he can't stand idly by - he has to help her.
Robert McCall finds himself at home in Southern Italy but he discovers his friends are under the control of local crime bosses. As events turn deadly, McCall knows what he has to do: become his friends' protector by taking on the mafia.