These two powerful families shared an ever-widening circle of friends, lovers, and political associates, soon shattered by World War II, spying, sexual infidelity, and the tragic deaths of Kathleen and Joe Kennedy Jr. By the '60s and JFK's presidency they had overcome their bitter differences. With deeply human portraits of these flawed but larger-than-life figures, it explores the relationship between the families and countries, highlighting the emotional complexity and historic significance.