In a city shrouded in thick gray fog all year round, "Memory Weaver" Lin Mo lost all his memories and became an ordinary watchmaker. His only emotional bond is a silver pocket watch in his hand that never moves. When a mysterious woman named Xiaotong comes to the door with broken clues, Lin Mo is forced to embark on a journey to retrieve his memory. What he will face is a powerful opponent called "The Ferryman" - an extreme memory weaver who tries to erase all painful memories from the world and build a "perfect" forgotten world. In this isolated island composed of memory fragments and the vast ocean of forgotten humanity, Lin Mo must make a choice: to find his true self that carries pain and love, or to embrace a false peace without a past?
