Submerged

A limousine joyride goes berserk in this breathless, pulse-pounding thriller. Jonathan Bennett (Mean Girls) stars as an ex-soldier turned bodyguard hired to protect a young woman. But while cruising with a group of friends one night, their stretch limo is run off the road and underwater by a gang of ruthless kidnappers—who then dive in to finish the job. Suddenly it's sink or swim, as the bodyguard must fight to keep the vehicle from becoming a watery grave. (official distributor synopsis)