In the near future where memories can be safely stripped and stored, Lin Mo is a top "memory planner." He seals up the pain for his clients day after day, working calmly and detachedly, as if he is also an emotional island. Until a mysterious woman named "Yi" brings a strange commission - to delete a seemingly beautiful memory about the lighthouse. While processing this memory, Lin Mo was stung by one of the pictures, which awakened his long-forgotten past. He discovered that his blank childhood and the memories that Yi wanted to erase actually pointed to the same mystery. To recover the truth, he must dive into a dangerous sea of countless forgotten moments.
