A disgruntled researcher injects his former employers' meal with a serum that turns their sushi into flesh-eating monsters.

Capable of making bio-mechanical weapons out of human flesh, alien parasites grotesquely invade the Earth, turning their hosts into maniacal killers who seek and destroy each other to the bloody death! And yes, it s also a human love story, even though the budding romantics are infested with slimy, tumor-like globules.

Still reeling from the events of a zombie apocalypse, a young woman, along with a group of allies, makes her way across a dystopian Japan in search of her mother, the Zombie Queen.