The arranged marriage of Philip and Elizabeth Jennings grows more passionate and genuine by the day, but is constantly tested by the escalation of the Cold War. Tensions heighten upon the arrival of a new neighbor, Stan Beeman, an FBI agent.

Events in Moscow strike a personal chord for Elizabeth, leading her to take on a dangerous mission she can't complete without Philip's help, and placing the couple on a collision course with both Grannie and the FBI.

Paige’s snooping leads Philip and Elizabeth to make a choice that could shift the balance of their lives forever. Stan and Aderholt’s recruitment of Sofia suddenly bears fruit.