The on-duty nurse finds that the same deceased person died repeatedly twice, and she is also framed and falls into a desperate situation. Suddenly, a wordless black card appears in her hand, which can start over or realize the deepest desired wish, but the price of the transaction is eventually being completely forgotten by the whole world. Just as the nurse is about to confirm the transaction, the female protagonist Cen Wan appears and stops the transaction, and then successively discovers many bizarre cases and victims who are trading, finally discovering that she is also trapped in it.