On the first day of employment, Su Nian discovered that his immediate boss was actually a strange man, Lu Siheng, who had a flash wedding last night. In the office, he is a serious and domineering vice president; in private, he is gentle and clingy, approaching every step of the way. A hidden marriage game begins - pretending not to be familiar during the day, and staying together sweetly at night. When the boundaries between the workplace and emotions gradually blur, can this impulsive marriage usher in true sincerity?