He is the mysterious lead singer of a legendary band; he is the teacher of an elite businessman; he is the boss behind the fighting martial arts gym; he is the lifelong idol of the royal princess; he is the strongest agent who sacrifices his life and blood for the country; in order to investigate the mystery of the family's collapse and protect his most beloved woman, Lin Chen, who has multiple identities, joined the family in Zunya City and became a hard-working, door-to-door son-in-law. While other "son-in-laws" were still groveling and being looked down upon, he decided not to pretend anymore...
