Sophie feels the fallout from the accusations swirling around James, who rallies a longtime friend for support. Kate prepares for her first witness.

Kate questions Olivia about what happened in the elevator as Sophie reels from new information about James and pressure mounts on the prime minister.

Needing time to think, Sophie takes the kids to the countryside. Kate’s off her game in court. Memories surface of James’ long-ago encounter with Holly.

Ahead of a critical day in court, Kate confides in a friend as Sophie pieces together the night she attended a university party with James and Holly.

Sophie’s suspicions crystallize after James discloses more details of that fateful night at Oxford. An apprehensive Kate awaits the verdict.

Charles is caught in a deadly avalanche, prompting both him and Diana to reevaluate their commitment to their troubled marriage.

Amid a growing challenge to her power, Thatcher fights for her position. Charles grows more determined to separate from Diana as their marriage unravels.