Hidden in an inconspicuous corner of the campus is the "Donut Club" - a place filled with wonderful memories. As time goes by, can the heart lost at the halfway station of life make the donut-like happiness bloom again? After an accidental encounter, the introverted and sentimental Xitong joined the "Donut Club" and spent an unforgettable middle school time with Yi Chun, Hai Yao, A Feng and Lang Chuan. But when he graduated from high school, Yichun suddenly immigrated to Australia with his family, and immediately cut off contact with everyone... Two years later, Yichun, who was studying art in that country, suddenly sent an invitation card, and everyone went to Australia to visit his art exhibition as promised. Through Yichun's works, Xitong inadvertently boarded the train of memory, wandering through fragments of the past. At the same time, she also walked towards the truth step by step, uncovering the secret of Yichun's departure...
