Plot summary
Late April, 1560: Three weeks have passed since Francis's death, but Catherine has been unable to rally support from the Privy Council to be voted regent. Lord Grenier ( Ted Whittall ), a war profiteer, attempts to manipulate the council and become regent, but is blocked by Queen Mary and Queen Catherine. For the sake of inspiring support for Queen Catherine, Queen Mary dissolves the costly French-Scottish alliance in Catherine's name and prepares to return to Scotland. At Charles's urging, Mary decides to stay in France until she has made a new alliance, and sends word to Don Carlos for a possible new marriage.
Catherine seduces Narcisse, with the double goals of destroying his marriage with Lola, and getting his possibly crucial vote for the regency. Elizabeth, disappointed with Nicholas's failures, replaces him as ambassador to France with Gideon Blackburn ( Ben Geurens ), whom Elizabeth instructs to seduce Mary and sabotage her marriage prospects. Elizabeth summons Robert and Amy back to court, but Amy fakes an illness so that she and Robert can move to Cornwall for her "health". Claude and Leith spend more time together, despite Leith's wariness of their difference in status.
Credits
Adapted from Wikipedia contributors, Reign season 3. HTML formatting and reference markers removed.