Modern pastry chef Su Qingyuan traveled through time and became a palace maid similar to Emperor Xiao Jingyuan Bai Yueguang, and entered the palace by mistake. She refused to be a stand-in, and gradually melted into the emperor's frozen heart with her creative snacks and optimistic personality. When Bai Yueguang "resurrected from the dead" and the palace turmoil suddenly arose, Xiao Jamyuan was able to distinguish between obsession and deep love. She finally found love in the palace and lived her life as her own light.