Nothing is what it seems when a twisted one-night stand spirals into a serial killer's vicious murder spree.

A private military operation invents futuristic microchip tech that enables the mind of an agent to inhabit the body of another person to carry out covert, deadly missions. But when an agent is killed during a secret mission, his wife takes his place in an attempt to bring the man responsible to justice.

Recognizing the power of its captive giant Ape, the military makes its own battle-ready A.I., Mecha Ape. But its first test goes horribly wrong, leaving the military no choice but to release the imprisoned giant ape to stop the robot.