Historical military fiction, Valley of The Purple Hearts follows the men of Second Squad through the shadowy jungles and mountains of I-Corps as they fight main force Viet Cong and NVA regulars. With constant enemy contact, booby-traps, sniper fire and all-out firefights, Buck and his buddies follow their squad leader, Rolley, who puts the lives of his men first. As Rolley faces the young and inept Lieutenant Mallon, Buck realizes his squad leader is becoming jaded and has lost his sense of humor. When the young sergeant sacrifices his safety for that of his men, Buck must step up to face Mallon in the heat of battle, and try to save his friend.