Jōtarō Fukuhara, known as ‘Joe’, is a ‘locksmith’ who poses as a vagrant to steal corporate secrets and expose wrongdoing. In reality, he is the heir to the Person Group. Years ago, his relationship with Reiko, the daughter of the head of the major advertising agency Bros, was torn apart by his father, Masafumi, leading her to take her own life. Since then, he has never shown his face to his father. However, following his father’s death, he is set to take over as president of the Person Group. Just then, he receives a request to steal a key from a bag bearing a five-pointed star from the safe of Enomoto, the chairman of Bros…