Master Sargent Jason Bradley leads his team through warzones. Hostage rescues. Terrorist eliminations. VIP escorts. The team practices for those operations and an infinite amount of other scenarios. Fighting an army of the undead wasn't on that list. The Rangers are deep in the Hindu Kush. Navigation screwy. Radios out. A sixth sense tells Jason the newest member of the team holds a deep secret. That sense also hints this mission may be his team's last. Set six years before Ghost Town, Recon Team Four reveals how the Key finds Grimm, and sets The Grimm Saga in motion.