In a city shrouded in the shadow of "progressive amnesia", memory has become a luxury item that can be sealed and traded. Lin Mo, a calm and distant memory keeper, makes a living by peeling off and storing other people's memories. He firmly believes that forgetting is the best relief, until he meets Chen Shuang. The woman, who was about to lose the memory of her beloved's face, entrusted him with a seemingly simple memory. However, during the extraction process, Lin Mo glimpsed a strange shadow that did not belong to her, a "thief" lurking deep in the memories of countless people. This commission was like a stone thrown into stagnant water, forcing him to face his dusty past and search for the stolen truth in this vast ocean of forgetfulness.
