One broken warrior. One desperate father. One conspiracy that could wipe out the world.

Frank Marshall is a former US Navy SEAL with nothing left to lose. Haunted by a catastrophic mission that left thousands dead, he's been living off the grid—until now. Someone powerful is pulling the strings behind the scenes, and Frank is done hiding. It's time for payback.

Across the ocean, UK Border Force officer Roy Sullivan is being blackmailed by a ruthless London crime boss. Cooperate in a deadly smuggling operation, or his young son dies. Roy has no choice—until fate throws him into Frank's path.

As a terrifying global conspiracy begins to unfold, Frank and Roy must join forces against an enemy with limitless reach and a genocidal agenda. The clock is ticking, and failure isn't an option.

Three billion lives hang in the balance. And the reckoning begins now.