Sue Sterling, an adopted fake heiress, has a flash marriage with Thorne Hale, who is disguised as a poor man, on the day her biological parents take her home. After marriage, the two hide their identities, evolving from a fake contractual couple to truly falling in love. Sue shines in her workplace through her own efforts, while Thorne guards her secretly. When successive conflicts and conspiracies break out one after another, the two face them hand in hand, eventually gaining true love and career success, and living a happy and fulfilling life.