A young woman is found dead after getting involved in an underground fighting ring. Her sister Windsor begins training under a respected ex-fighter as she searches for the killer.

A renegade Megarobot pilot and an archaeologist must team up to thwart the Centro's attempts to resurrect a hidden Megarobot, with which they can challenge the prevailing order.

North Kiyung is threatening U.S with nuclear attacks and missile tests. U.S plans to strike back and train best pilots. However Air force leans on Navy's best fighter Lt. Andrew "Bells". Few hours before attack the drama unfolds.