Peng Ziyang

The film tells that the post-90s returnee Amy (Yao DI) was born in a single parent family. She found the clue of her biological father from the diary of her late mother. She decided to look for her father's whereabouts along the Yangtze River, and the wandering singer Tao (song Ningfeng) who suddenly appeared due to a misunderstanding of her suicide told her that he could guide her. Through continuous investigation along the Yangtze River, Amy gradually found the truth of her father's disappearance and revealed an unknown emotional secret of four male and female college students of channel college more than 30 years ago. At the same time, Amy also found the unusual identity hidden behind Tao

Tang Yang and Jiang Shi Yan were high school classmates and are close friends for ten years. After finishing school, they both passionately pursued careers in bank credit review and new media communication. Tang Yang helped the families of military martyrs start businesses in her small loan job. Jiang Shi Yan, inspired by their perseverance, made a documentary about their stories, which gained widespread attention. Throughout this journey, the trust and understanding they developed since their teenage years endured various challenges and blossomed into a sincere and beautiful love. They went from being classmates and friends to becoming partners, building a family, and facing life together.