My Heroic Husband: Cát Hưng Cao Chiếu revolves around the second son of the Tô family, a prominent textile business. He once aspired to compete for the family's inheritance, but was defeated by his younger sister, Tô Đàn Nhi, in the race for succession. However, one fateful day, he accidentally overhears the truth from a servant - he is merely seen as a mere spectator in the Tô textile shop. With his pride wounded, Văn Hưng decides to leave his family and start a new life in Phúc Nguyên to prove his abilities and escape Ninh Nghị's shadow. And so, his new adventure begins from here.