As dark truths about her late husband surface, Bea struggles to maintain her cover with the dangerous KGB officer Andrei. Meanwhile, Twila goes undercover at a local hotel to gather further intelligence.

In the season finale, Manya reunites with an old friend and makes a shocking discovery. As the danger peaks, Bea, Twila, and Sasha are forced to flee the city, finally uncovering the secret behind Andrei's swift rise within the KGB.