In the "cinema" where technology can accurately strip away memories, Ling Chen, a top memory cleaner, is known for his calmness. He treats memories as deletable data and erases the pain of his customers. Until a woman named Su Wei brought a strange request: to delete an extremely happy melody. While diving into the depths of her warm and spring-like memories, Ling Chen discovered a key that connected him to his dusty past. He was forced to face a cruel truth: he had built a sea of oblivion for countless people, but he had already exiled himself on an island of memory. When the tide of truth comes, will he choose to indulge or find his lost self?
