This is an urban emotional story with the themes of love, misunderstanding and redemption. The core of the story revolves around the ten-year marriage between Su Wan and Lu Chengyuan. Due to Lu Chengyuan's mother's medical accident twenty years ago, their relationship was shattered by a yellowed document. As clues such as Su Wan's father's medical practice diary and letters from Lu's mother's old piano scores emerged, the truth was gradually revealed - Su's father was not derelict in his duties, but was instead a benefactor of the Lu Chengyuan family. During this period, Lu Manni's calculations and Lin Mengmeng's intervention made the relationship more twists and turns. In the end, the misunderstanding was resolved. Can the two return to the beginning? Go on happily?
