As the Allied forces fight to repel invaders in the Pacific, the Duffy and Macintosh clans face their greatest challenges at home.

Sergeant Jessica Duffy relishes her work as a code breaker in MacArthur's headquarters but is also secretly reporting on the Americans to the Prime Minister. When she uncovers treason at the highest levels, neither duty nor dishonour will stop her getting justice.

Captain James Duffy, a decorated fighter pilot with the United States Marine Corps, is expected to wait out the war assisting the bond effort, helping to make movies that gloss over the tragic realities of combat. Despite his scars, he is desperate to return to the cockpit ... until a chance meeting gives him something new to fight for.

Major David Macintosh has survived prison camps, torture and countless battles, but can he endure the machinations of his obsessive cousin, Sarah? Sarah is prepared to do anything to take over the family companies, and will destroy anyone who gets in her way.