Ann Pirvu

Mary and Darnley are at odds as their plan to seize England is put into action, Elizabeth is conflicted about her feelings for Gideon, and Catherine's son Henri tries to claim the throne from Charles.

Mary ponders ways to take over the English throne, Elizabeth struggles to find an appropriate suitor to marry, and James gets caught up in a scheme orchestrated by John Knox.

After a tragic earthquake hits Scotland, Mary faces John Knox amidst claims that she isn't coming to the aid of her people. Elizabeth takes drastic measures after she is discovered with Gideon, and Charles makes a decision that backfires.

Mary pursues her quest for justice as she launches a counter-attack on her conspirators, and Elizabeth suffers a major setback that turns her world upside down.

Darnley and John Knox try to strip Mary of her throne. Elizabeth must banish Gideon from court at the request of her future husband, while Charles takes a bold stance against his brother Henri.

A terrible tragedy pushes Mary and Darnley apart; Elizabeth is asked to support an expedition to the New World.