Sang Lu, a variety show associate director, accidentally transmigrates into a novel, becoming the villainous eldest sister-in-law with a tragic ending. To avoid a miserable fate, she chooses a survival path, entering a contract marriage with Feng Yan, the Feng family president suffering from psychogenic mutism. Energetic and talkative, Sang Lu strives in her career while patiently accompanying and helping Feng Yan fight his psychological trauma. In their daily cohabitation, the two gradually develop feelings, handling difficult relatives and villainous colleagues, resolving the plot conflicts of the younger brothers-in-law, healing each other hand in hand, and reaping a sweet love of mutual devotion.