The FBI hires Frank Martin to retrieve a chemical weapon, codenamed 'Chimera', from a Louis Tien, a Chinese Triad crime lord who operates from a restaurant in Chicago's Chinatown.
Frank and Caterina have to rescue her ex-fiancé, Zac, from a Mauritanian warlord. However Zac won't leave unless they can take a bus load of orphans that he has been caring for with them.