A modern woman's soul transmigrates into Ling Qifeng, the one-year-old lucky star princess of Dayong, with her soul transforming into a chibi avatar to retain consciousness. The original owner is intentionally plotted against and murdered with poisoned soup and poisoned needles by her adopted sister, the Zhaohua Princess Ling Shuangtian. Restricted by her infant body and unable to speak, the female protagonist can only fight back in secret through children's actions, joining forces with the princes to gather evidence of crimes. After Ling Shuangtian's downfall, everyone digs deep into the clues and is shocked to realize that her fourth prince father, who died in battle, actually harbored a shocking conspiracy. The Beishu hostage enters the game, and the imperial court and border crises are fraught with danger. A game of imperial power officially kicks off.