The finale culminates in a day that will change the family and the nation forever. A burgeoning uprising has Robert suspicious of everyone, as the rest of the family unites to combat a formidable foe.

Liam's true intentions are revealed; Jasper helps Liam with a plan; and Willow and Robert hit a rough patch.

Eleanor throws Willow a party that spirals out of control; Robert forms a sinister alliance; and Liam proves his loyalty to his brother.

Eleanor enlists Jasper's help for one of her covert missions; Helena begins a new chapter at a royal event where the press attacks Willow; Cyrus meets an unlikely ally.

Tensions rise at a family dinner celebrating the queen's birthday, as Liam brings a surprising guest and Jasper finds out the identity of the man who shot him.

Robert extends his power further than ever before and exiles a disloyal Cyrus; Eleanor undertakes a covert mission; and Helena explores her romantic options.

A total blackout in London sparks chaos. Willow's feelings for Robert grow stronger. Eleanor opens the palace to the public. Jasper finds himself in the middle of a riot.

Liam makes a big move with the evidence he has on Robert; Eleanor uses her status to help others; and Helena finds herself at the center of a new scandal.

Cyrus helps Liam gather intel on Robert. A contender emerges as Helena and Willow assess possible brides for Robert. Jasper goes rogue at a press conference, while Eleanor watches.

Robert gains popularity on his coronation tour, while Jasper and Liam have information that could end his reign. Eleanor must choose between returning to Jasper or working abroad with Sebastian.