The war in the Colonies continues, and for Casca his personal battle with Sir Richard Eley has to take second place as the British close in on Philadelphia. Taken captive, the Eternal Mercenary must endure the brutal conditions of a prison hulk outside New York City, before the enigmatic Irish woman Claire Kelly engineers his escape.

Given a second chance to defeat his arch-rival, Casca travels south to take part in the Battle of Monmouth Courthouse before closing in on the British baronet. Outside Yorktown, the two adversaries finally come face to face in a climactic encounter in a battle-scarred redoubt.