Gu Chenghuan transmigrates into the body of a wealthy family's heiress and is happily enjoying her luxurious life when she suddenly discovers that she is only a fake heiress. The real young master, who was switched at birth, is about to return and is also engaged to her sworn rival, Liang Anyi. Fortunately, heaven seems to be on her side: the real young master gets into a car accident on his way home and becomes a vegetable. Liang Anyi immediately calls off the engagement and walks away, while Gu Chenghuan seizes the opportunity to marry into the wealthy family instead. Determined to hold on tightly to her newfound wealth and privilege, she has only one question: Why does her supposedly comatose husband get out of bed every night?!