Fire-fighting hero Shen Kai died saving people in a fire. Heaven recognized his precious spirit and granted him reincarnation into a wealthy family. However, due to an error in the underworld system, he accidentally traveled through time and became Yu Yue, the daughter of General Zhenguan. "What? I'm just a man!" Shen Kai said sadly and angrily. A simple person has started an extraordinary life, with love, hate, and intrigues. We will wait and see how the protagonist will deal with it...