When the Afghan National Police training center in Kabul is attacked by jihadists, Major Michael Parson accompanies wounded soldiers on planes bound for Germany only to discover that several of the planes have been sabotaged.

A jihadist leader has seized a supply of sarin gas and is wreaking havoc. Marine gunnery sergeant A. E. Blount, the grandson of one of the first black Marines, sets out with his strike force to kill or capture the terrorist. Several Marines are killed, some are captured, and the jihadist promises that unless forces withdraw, he will execute one prisoner a day. Immediately, Blount's friends and colleagues Sophia Gold, now with the U.N., and Lieutenant...