Lewis Kirk

Queen Mary, unsure who to trust, tests her brother James to ensure his loyalty after hearing of his meeting with John Knox. Queen Elizabeth agrees to help Lord Darnley, in an attempt to sabotage the powerful suitor's relationship with Mary.

When Mary is presumed dead, Elizabeth asks for Lola's help in taking the Scottish crown for herself; James must defend Mary's throne from John Knox; Mary faces Francis's killer.

Mary fights to defend her reign in Scotland against Elizabeth; an accusation against Lola results in tragic consequences; in France, Catherine discovers that Charles has changed after paying a price for his mother's thirst for power.