In Iraq, Captain Matthew Duffy, recruited by British Intelligence, once more faces a German enemy. But Matthew is confused by his attraction to Diane, now working for the Germans, and finds himself having to make a hard decision. Just as he is coming to terms with his choice, he meets his estranged son, James Barrington Jnr.

Back in Sydney, George Macintosh is determined to keep control of his business empire and to prevent his nephew David from taking a seat on the Board. Meanwhile, George’s son Donald is packed off to the family station Glen View in Northern Queensland in an effort to curb his excesses.

In the middle of all this upheaval, the two families experience loss, greatness and tragedy, and romance blooms in the unlikeliest of hearts under the gathering clouds of war.