Greg Glenn, a seasoned soldier turned Special Response Team operative, is deployed to contain the bioterror crisis at Harvardville Airport. Partnered with Angela Miller, his trusted colleague of many years, their dynamic balances professional efficiency with unspoken camaraderie. Greg’s brash, impulsive nature clashes with federal agent Leon Kennedy’s tactical expertise during the operation, leading him to recklessly disregard warnings about targeting undead adversaries—a mistake that nearly proves fatal until last-minute intervention spares him.

Tasked with evacuating survivors, Greg suffers a bite from a hidden zombie. Facing certain infection, he chooses self-sacrifice over retreat, wielding twin pistols against the encroaching horde to secure others’ escape. His subsequent transformation into a zombie culminates in his reanimated corpse being eliminated by military cleanup crews.

Greg’s arc evolves from rash overconfidence to grim acceptance, his death haunting Angela when she later uncovers a vaccine that might have saved him. His journey—marked by defiance, sacrifice, and tragic metamorphosis—highlights the lethal stakes of biohazard conflicts and the weight of duty, framing a reckless soldier’s end as a catalyst for both personal and collective reckoning.