The selfish and vain fourth daughter of the Zhen family plots to fall into a body of water with the son of Duke Zhen Guo firmly in tow. But her plans go awry when a cute and dorky girl with a healthy appetite from the future falls into the water simultaneously, traveling back in time to replace her in body and soul. Adapted from the novel of the same name by Dong Tian De Liu Ye (冬天的柳叶).