In ancient times, two lovers were torn apart when the female lead sacrificed her life to save the male lead, stabbed by a sword. Due to an oath made by the first emperor, she was reborn in the second life, where they met again and fell in love. However, to protect him, she died once more. In the third life, they reunited once again, and this time, the male lead saved her when they first met. The female lead passionately pursued him, and they eventually fell in love. In the end, the male lead exhausted himself to protect her, turning his hair white overnight. Fortunately, their love bore fruit, and with the birth of their child, he was saved. The three of them lived happily ever after.