Following the horrible attack of eagles and birds in Hollywood, California, where they do their best to find reasons behind that attack, beside working on fighting them.
The screwball trainwreck magic is missing, replaced with a nagging comedic consciousness that suggests Nguyen understands his specialized malarkey a little more than he's been letting on.
Nguyen's partial self-awareness of his new movie's camp value -- encompassing brief incorporation of zombies -- only makes it an effortful, half-understood in-joke rather than the guiltily pleasurable unintentional joke that was Birdemic: Shock and Terror.