While Harry and Emma race to discover the fate of their son after a terrible car accident, Don Pedro Martinez plots to install a puppet chairman at the Barrington Shipping Company and Jessica's nuptials are sabotaged by a poisonous friend.
In the aftermath of an IRA bombing, Harry Clifton uses his new literary station to raise awareness for his POW friend while Giles Barrington works to secure a political career and Sebastian's past threatens his engagement.