This is a story about returning to the past life to save the fate of the lover in the past life. The heroine is an ordinary college student who longs to end her 18-year single life. After one day's work, I rescued an injured handsome man. . . He learned the fate of his previous life and the responsibilities he had to bear, and traveled back to his previous life. Thus began a rugged, dangerous, and conspiracy-laden road to love. What kind of test will she go through when she is new to the world? What kind of life will she face when she returns after she finally completes her mission? . ?