Complete story — includes the ending
Darnley abandons his son at the urging of "Keira". James returns to Scottish court and helps recover the baby; in commemoration, Mary names her son James after her brother. Mary finally allows Bothwell to assassinate Darnley. Bothwell and his allies blow up Darnley's house with gunpowder, but Darnley escapes, necessitating Bothwell's strangling Darnley to death. John Knox leads the accusation of regicide on Mary and Bothwell, and they are arrested. Elizabeth has Jane killed, breaks her engagement with Ferdinand, and vows to withstand any Spanish attack. Catherine engages a witch, Emmanuelle (Catherine Bérubé) to murder Nicole. They are successful, and with the murder blamed on Spain, Charles and Henry reconcile. However, Emmanuelle warns Catherine that her sons will be the downfall of the Valois house, and that Catherine is to keep her youngest daughter Margot ( Rebecca Liddiard ) close by her side. Twenty-one years later, Mary is under house arrest in England, having fled her enemies in Scotland following a broken promise from Elizabeth to protect her. Mary's son, King James VI of Scotland (Jake Foy), begs Elizabeth to spare Mary's life, but ultimately concedes that England and Scotland can never be united as long as Mary is alive, and accepts Elizabeth's offer to be her heir. Queen Mary is executed via axe, and awakens in the afterlife with King Francis by her side.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Reign season 4. HTML formatting and reference markers removed. · Content license