When shark conservationist Dr. Misty Calhoun is invited to consult on a top-secret project run by pharmaceutical billionaire Carl Durant, she is shocked to learn that the company is using unpredictable and highly aggressive bull sharks as its test subjects, which soon break loose and cause havoc.

Three high school students make an incredible discovery, leading to their developing uncanny powers beyond their understanding. As they learn to control their abilities and use them to their advantage, their lives start to spin out of control, and their darker sides begin to take over.

During the Vietnam War [1959-1975] a special US combat unit is sent out to hunt and kill the Viet Cong soldiers in a man-to-man combat in the endless tunnels underneath the jungle of Vietnam. Suicide squads of a special kind.