On the isolated "Jing'an Island", memory organizer Lin Mo's job is to deal with the painful memories that people voluntarily abandoned. He is like a soul scavenger, calmly and numbly witnessing countless broken emotions. Until one day, he accidentally came into contact with a memory numbered 734 - it was not a trauma, but a heartbreakingly beautiful dance under the stars. This abnormal memory pierced his orderly world like a thorn. In order to explore the truth, Lin Mo broke the strict rules and walked step by step toward the owner of his memory. However, in the process, he was forced to face his buried and forgotten past. How many treasures are buried in this sea of oblivion that should not be forgotten?