In a hotel bathtub, Li Xingchen encounters Zhao Zhuoya, a woman being chased by assassins. To escape, she bursts into his room and they share an unforgettable night. Later, Xingchen receives a special mission from his mentor: to protect his aunt he hasn't seen for years. Unexpectedly, it's Zhuoya. Due to a series of coincidences involving the Zhao and Li families, Zhuoya was betrothed to Xingchen as a child. But now, he must join Tianya Group as a seemingly rapist applicant to gain access to her and keep her safe. Working at Tianya, they cohabit due to family rules. Amidst this, Xingchen becomes entangled in romantic complications with Zhuoya's secretary, Xiao Mengrou, the receptionist Qin Yueyue, and local police officer Wang Ruotong. With his outstanding abilities, Xingchen constantly resolves troubles facing the women in his life, uncovering secrets and deepening his connections with each of them.
