In Xindu, where everyone can erase painful memories through the "Sea of Oblivion" technology, Lin Jian is a top "memory weaver". He pruned the branches of memory for his clients, but he clung to an indelible pain. One day, a mysterious woman named Su Ying brought a bizarre commission: a memory that was not her own and full of contradictions appeared in her mind. In the process of searching for the truth, Lin Jian accidentally came into contact with the core of a shocking conspiracy. The truths forgotten by the entire city are emerging like ghosts from the depths of the "Sea of Forgotten", and he himself is the center of this storm.