The top killer "Zero" was reborn in the body of the cowardly real daughter Su Wan, and returned with multiple vests of hackers, medical poisons, and ancient martial arts. From Class F's counterattack to becoming the national champion, she uncovered the baby-swap conspiracy step by step, crushed the fake daughter, overthrew the Dark Abyss Organization, and climbed to the top of the business empire. And the only consultant of the Dragon Team who had seen through all her vests was waiting for her to confess in person - "No matter how many identities you have, I am always here."