It's 1969. Colonel John "Guns" Navarone is a hard-driven fighter pilot and the Vice Wing Commander of the 366th Tactical Fighter Wing. He’s got his life and his job exactly how he wants them when he’s interrupted by the arrival of OSI Agent, David Rice, with whom he shares a complicated history. David Rice, a determined and hard-headed investigator, has been brought to DaNang in the search for Triad, the mastermind behind numerous attacks of sabotage on multiple American facilities in Vietnam. Now the two must team up to hunt down one of the greatest threats to American forces in Vietnam, and time is running out.