A Lifetime's Lanterns, Returned to the Heavens - Episode 20

Reborn as a substitute bride for the Regent, Zoe Huo is swept into revenge and power struggles. She outwits the Third Prince and Sabine Huo, and after a period of turmoil, the Third Prince is exiled. As foreign invaders threaten the imperial capital, all factions face ultimate choices of loyalty and betrayal in the final battle.