Su Wan, a modern advertising professional, dies suddenly and transmigrates into the body of the cowardly, bullied legitimate daughter of the Jing'an Marquis Manor. With no special cheat abilities, she uses her sharp tongue, creative thinking and modern common sense to fend off scummy younger sisters and deadbeat scoundrels, build her career, stand up to powerful nobles, and rise step by step. She also unexpectedly captures the heart of the cold, aloof His Highness the Ninth Prince Xiao Jue, kicking off a hilarious, lighthearted ancient-style sweet romance full of contrasting charm and constant comedic moments.