JJ, a veteran CIA agent, reunites with his protégé Sophie, in order to prevent a catastrophic nuclear scheme threatening Vatican City, which disrupts a high school choir trip to Italy.
Left for dead on a sun-scorched planet, Riddick finds himself up against an alien race of predators. Activating an emergency beacon alerts two ships: one carrying a new breed of mercenary, the other captained by a man from Riddick's past.