In Xinhai City, a future city where memories can be extracted and traded, Lin Mo, a top memory diver, makes a living by sneaking into other people's memories, but his own past is blank. A mysterious commission led him to a forgotten island lighthouse. The client, Su Wan, asked him to retrieve the memory of a place he had never known before. When Lin Mo dived into the echoes of that time-dusted memory, he discovered that this isolated island not only imprisoned a sad past, but also locked up his own forgotten identity. In the turbulent sea of memory, he must find his own island, otherwise he will be completely forgotten.
