In 2077, "memory rental" has become the most profitable business - some people rent out the regret of failing the college entrance examination in exchange for a down payment, and some people exchange the sting of a close friend's betrayal for a travel ticket. Lin Ye, the operator of the Memory Rental Bureau, works every day to accurately deliver these packaged pains to those rich who desire to "experience real emotions."
Until one rainy night, he received an anonymous memory: a woman screamed in the laboratory, saying "all the pain lent will be returned with interest." Immediately afterwards, customers who had rented out their memories began to have troubles one after another - some people suddenly cried to the empty chair and broke up, and some people paid tribute to the deceased they had never met at the wedding, which was like a tragedy that had the delay play button pressed.
Lin Ye followed the clues and dug deeper, and discovered that the experiment 30 years ago, which was claimed to "cure human suffering", was not redemption at all, but a "sacrifice" fed by the memories of millions of people. When he tried to expose the truth, he found that he was already a person in the game - his lost memory about his sister's death was lying in the top secret file of the leasing bureau, and now it was "due for repayment."