In the near future where memories can be repaired and tampered with, the top memory restorer Lin Mo is famous for his calm and precise techniques. He wanders into the depths of other people's broken memories, repairing emotional wounds, but keeps a secret about his own blank past. One day, a mysterious woman named Su Wan brought a seemingly simple commission to restore a memory about a lost pendant. However, when Lin Mo dived into this memory, she discovered that there was a twisted afterimage that did not belong to her, a deadly spiral clock that pointed to a huge conspiracy and her own past. He's forced to choose between his client's truth and his own safety, and every step he takes brings him closer to a storm-torn sea of memories he's long forgotten.