Shu Ya and Zhuo Hao’s nine-year marriage appears perfect: he’s a model husband, successful in business, treating her like a princess. However, a lipstick mark on his shirt collar unveils the beginning of lies. A mysterious woman in a red dress, long hair in the bathroom drain, women’s underwear in his car, and Kinsley innocently mentioning “Dad and beautiful aunt”… each detail pierces Shu Ya’s heart like a blade. When questioned, Zhuo Hao always has perfect explanations. After discovering a hidden webpage called “Taboo Love” on her husband’s computer, she determines to uncover the truth. In this tug-of-war between truth and lies, Shu Ya must make a choice: continue living in beautiful deception, or bravely face the cruel reality?