Ever since US Diplomatic Security Service Agent Hobbs and lawless outcast Shaw first faced off, they just have traded smack talk and body blows. But when cyber-genetically enhanced anarchist Brixton's ruthless actions threaten the future of humanity, they join forces to defeat him.

A celebrated military contractor returns to the site of his greatest career triumphs and re-connects with a long-ago love while unexpectedly falling for the hard-charging Air Force watchdog assigned to him.