A rare book dealer finds himself at the heart of a string of paranormal events when he is hired to find the last two copies of a text, The Nine Gates of the Kingdom of Shadows, capable of summoning the Devil.
A briefcase with undisclosed contents – sought by Irish terrorists and the Russian mob – makes its way into criminals' hands. An Irish liaison assembles a squad of mercenaries, or 'ronin', and gives them the thorny task of recovering the case.
Simon, a Jewish police inspector, arrests Karim, a Muslim, in the bust of a drug smuggling cargo ship, only to realize that Karim is an undercover agent from the military intelligence, whose mission he was not aware of. The two men pursue the narc investigation, which will lead them to confront middle eastern terrorists together.
