Su Ruoxi is reborn back to a year ago. Facing a life designed by others, she chooses to distinguish right from wrong and protect her mother and elder brother. She tears up the unfair marriage letter, helps her mother escape her predicament, and gets to know Xiao Jinghan amidst the turmoils. Together, they investigate old cases, uphold justice, and after enduring heavy trials, finally bring the truth to light and punish the wicked. After the new emperor ascends the throne, Su Ruoxi assists in state affairs with a benevolent heart and wisdom. With the emperor and empress of one mind, the country and its families are at peace, and the people live securely. This is a story about staying true to oneself after rebirth, guarding one's dearest, and walking side by side toward the light with a good partner.