4 half siblings stand to inherit $3,000,000 each from their dad, if they work together as family for 2 years. 3 of them go to Mexico as bounty hunters to get a bail-jumper, who's connected to the kidnapping of a billionaire.

Brian O'Conner, back working for the FBI in Los Angeles, teams up with Dominic Toretto to bring down a heroin importer by infiltrating his operation.