Treasure hunter and adventurer Drake Halberd just wants to relax. But when he arrives in Cosmic City hoping for a respite from his frenzied life, he is unwittingly thrust into an adventure like no other. A deadly virus is spreading, zombies are wreaking havoc, and food is scarce. How could things possibly get any worse? Drake is about to find out. As packs of zombies chew on dead people in the mall, Drake and his friends-Sullivan, Emma, and Jacob-head for the government survival bunker. Joined by seventeen-year old twins and their father, the band of adventurers soon find themselves stuck facing a ruthless zombie army, hostile military forces, and psychopathic survivors. In the midst of a shootout with soldiers, Drake falls into a deep hole and finds himself in a tunnel system ravaged by acid-spitting zombies. Finally pulled to safety by futuristic warriors, Drake thinks he has survived-only to encounter something much worse than he could ever have imagined. In this exciting action-adventure story, Drake engages a battle not only to survive, but also to find a cure for the zombie virus-before humanity is wiped out forever.