Primarily documents the adolescence of Heather Lynn McKay Mallory, and her service with the United States Marine Corps. Mallory recalls the death of her mother at a young age, her desire to experience adventure, and the events leading to her enlistment in the U.S. Marine Corps. She recounts the physical challenges she faced in boot camp, the top secret Yankee White clearance she held as part of Marine Helicopter Squadron One, and the experience of serving under United States Presidents George W. Bush and Barack Hussein Obama II.