Frank Murphy, a Los Angeles police officer and Vietnam War veteran, is selected to test a new advanced helicopter, equipped with cutting-edge technology for surveillance and combat missions. While patrolling the city skies, Frank uncovers a sinister conspiracy involving the use of the helicopter's capabilities to suppress civil liberties and control the population. As he delves deeper, he discovers that some influential and powerful figures are orchestrating a plot to exploit this technology for their own gain.

Determined to prevent the misuse of the helicopter, Frank teams up with his girlfriend, Kate, and his rookie partner, Richard Lymangood. Together, they attempt to gather evidence and expose the conspiracy. However, as the perpetrators get wind of Frank's investigation, they stop at nothing to protect their secret, even if it means taking down Frank and anyone who stands in their way. With time running out and his own life on the line, Frank must evade relentless pursuers and use every ounce of his piloting skills and combat experience to thwart the impending threat.