After Lin Xi loses the love of her life, Shen Yan, his AI-recorded will unexpectedly plays at his memorial. He leaves his family fortune to her, but with one condition: she must seriously date Chen Mo, a book-restoration craftsman chosen by him, for one year. Lin Xi arrives at Chen Mo's door with a check, only to have it returned untouched. Through a series of tests, two people who seemed to have nothing in common gradually grow closer. Meanwhile, her cousin joins forces with outsiders to lay traps at every turn, the warnings left in Shen Yan's AI are difficult to distinguish from lies, and his belongings gradually reveal the truth. Even his departure turns out to have a hidden story. When the year is over, Lin Xi has protected the family business and finally understood her own heart. She deletes the AI that had been watching over her and, together with Chen Mo, writes a marriage contract of their own.