During the opening days of the invasion of Afghanistan, Tier 1 operators of a Navy SEAL squad from DEVGRU, call sign Neptune, composed of operators code-named Mother, Voodoo, Preacher and Rabbit are sent to meet with an Afghan informant named Tariq, who has intelligence that the CIA is interested in retrieving. Neptune is ambushed by Chechen forces, and fights their way through the village to recover Tariq.