A latest covert mission forces Juan Cabrillo and the crew of the Oregon to confront such obstacles as a weapon rooted in 13th-century China and the treacherous jungles of northern Myanmar to overcome the greatest threat to U.S. security ever known.

As the highly skilled mercenaries take on an arms dealer and his private army with every weapon they can get their hands on, the new team members bring new styles and tactics that give "new blood" a whole new meaning.

When a team of trained mercenaries realizes that they may be getting too old for their jobs, their leader recruits several younger members to help them take down an arms dealer.

In a near-future world in which governments and corporations are forced to hire cutting-edge mercenary armies to protect their wealth, the globe's largest private military launches a campaign to take over the United States.