Su Yan, a scholar from a poor family, and Lin Wanqing, childhood sweethearts, promised each other a lifetime. The parents of the Lin family valued their good family background and forced Wanqing to marry Shen Chengan, a wealthy businessman. The heartbroken Su Yan almost committed suicide, but was enlightened by the Wuxiang monk with the ancient mirror. He knew the cause and effect of the past life, and the fate of the two was already determined. Su Yan put aside his obsession, returned the token of love, studied hard to gain fame, set up a school, and cared for the people. Lin Wanqing also let go of her worries and took care of the family. When the two met, they felt relieved and headed for a stable life, explaining the positive core that only by letting go of obsession and cultivating oneself deeply can one gain perfection.