He saves his daughter. He dooms the world. __ Doctor Phillip Shirley spent years developing ParaSymbio—a breakthrough in cancer treatment using genetically engineered protozoa. But when an unexpected mutation occurs, the once-friendly symbionts turn on their hosts, transforming them into ravenous droves. Trapped in the lab where it all began, Phillip’s thrust into a desperate fight for survival, cornered by violent, frenzied colleagues. Time is running out, and the threat is closing in.