Driven by her determination to avenge her father, Xu Yin, the daughter of a prestigious doctors' family, goes to great lengths, even altering her appearance. In a twist of fate, she finds herself married to General Gu Shenghan, a noble warrior. This marriage, however, was intended for Xu Qingqing, the daughter of the prime minister. As Xu Yin and Gu Shenghan navigate their new relationship, they constantly probe into each other's true identities during their daily interactions. However, as time passes and they face challenges together, their initial animosity transforms into a deep bond of camaraderie and love. They evolve from bitter rivals into compassionate allies, overcoming obstacles hand in hand.