A revolutionary nano-technology, the Project: Born Again chip, was developed to cure Alzheimer's disease. However, it inadvertently resurrects the dead with an insatiable hunger for human flesh. To combat this unforeseen consequence, three enhanced female government operatives, known as the G.R.A.V.E. (Genetically Refined And Virally Enhanced) Grrrls, are deployed to uncover the mystery and halt the undead uprising. As they delve deeper, they confront not only the zombie plague but also unsettling truths about their own origins.