AllMovie

When an airplane carrying a failed Russian/American experiment crashes into the lake of a popular summer resort, the result is a feeding frenzy of terror in directors Mark and John Polonia's bloody tale of beachfront terror. The guests at this sand and sun getaway have been disappearing at an alarming rate, and when a government agent arrives to investigate, he quickly realizes that a vicious school of hungry piranha has infested the waters, and does everything in his power to prevent the deadly flesh-eating creatures from escaping into open waters.