Hornblower escapes back to England, where he finds that the government has plans for the mysterious couple.
Pellew leads a fleet against Napoleon, but there is a traitor in the ranks.
The court marshal continues and Buckland's true character is revealed.
Sawyer attempts to have Hornblower and the other lieutenants arrested, but he is injured in a scuffle, leaving Bucklands in charge.
Hornblower is sent to aid a coup against the French Republican Government.
Hornblower has trouble controlling his men and discovers the Duchess is not who she claims to be.
Captain Pellew orders Hornblower to sail a captured French ship to an English port.