In the near future where memories can be accurately removed, Lin Mo, the top "architect of forgetfulness", is known for his calmness and precision. He erases pain for his clients and builds a perfect spiritual world. However, when a mysterious woman named Su Ying brought a memory request about "drowning by the lake", Lin Mo's career and even his entire life were overturned. The moment he erased that memory, a cold touch and echo of despair that did not belong to him began to echo repeatedly in his mind. He discovers that he may have erased not only his client's past, but also a deeply buried truth about himself. In order to retrieve this blank space, he must dive into the sea of oblivion built of lies.
