Kill Kill. The words etched into a Marine during basic training to harden the killer heart within. Jack Campbell, a Marine Corps Corporal, is returning to Iraq on a promise to his best friend. When the bullets start flying, Jack must lead his Marines, the Berserkers, through the biggest battle of the war - Fallujah. Worrying about his pregnant wife at home, Jack struggles to be the fearless, legendary leader his young Marines heard about. While Jack struggles with his own demons, his best friend Kyle finds life in the Corps complicated. Being second only to Jack, Kyle balances his own sanity with fear of leading. While struggling to survive the battle, Kyle finds love in the worst environment he had ever been in.

HM2 Corpsman Skyler Greene left behind a southern belle life to find her own way through the world. Stuck in a filthy, barren place, her one solace is the comfort she finds in the young Marine Corporal Kyle Dillon. Fallujah - a place located between Hell and the old west. The Marines who fought there will be remembered by Marines for all time. With tongue-in-cheek antics made boldly with chaotic humor, blood spraying action, and shameless badassery, these young men learn what it means to earn the title - U.S. Marine.