In the near future where memories can be extracted, sealed and traded, Lin Mo, the top "memory appraiser", is like a lonely island owner, guarding countless forgotten emotions. He was known for his calmness and precision, never touching his past. Until one day, a mysterious woman named Su Qing broke into his world with an impossible commission - she wanted to buy a memory about a man she couldn't remember at all. This deal dragged Lin Mo into a whirlpool of lies, betrayal and forbidden technology. When the dusty crystal bottles were opened one by one, he discovered that the keys to unlocking all the mysteries, as well as the truth that he feared most, were hidden deep in his forgotten sea.