Purple flame cute baby Xiao Jiujiu is the little princess beloved by everyone in the Prince's Mansion. Daddy is gloomy all day and hides in the mansion, so the little dumpling carries a food box to cheer him up every day. From the marinated food shop to the novel pastry shop, the quirky little princess, together with her purple-gold mastiff Xiaoxiao, turns the dreary Prince's Mansion into a lively place. Milky-voiced and full of mischievous ideas, it is a heartwarming little sweet drama that cures all unhappiness.