In 2024, Navy SEAL Marcus Williams dies saving his team from an IED in Afghanistan. Instead of death, he's offered a second chance: return to 2020, three months before a devastating zombie outbreak, with limited special abilities. Rather than overwhelming powers, Marcus receives subtle enhancements that complement his military training: brief combat precognition, enhanced tactical memory, and partial infection resistance. The story follows his journey from lone survivor to community leader as he builds a team, establishes a safe haven, and faces both human and undead threats in a collapsing world.