Xu Ran is a minor actress. For money, she becomes someone's kept woman.
And she becomes the kept woman of three men.
Her first sugar daddy is a powerful, high-ranking head of a conglomerate, domineering, arrogant, aloof, and chaste. He tells her, "I'm busy with work and can't spend time with you. You need to know your place."
Xu Ran wants to use his influence to land luxury brand endorsements, so she happily accepts his arrogance.
She tells him he's the only one for her, and of course she'll know her place.
Then, while he's busy working, she turns around and becomes the second sugar daddy's kept woman.
Her second sugar daddy is a maverick director in the entertainment industry, notorious for his womanizing ways. He tells her, "You know your place. That's what I like about you."
Xu Ran wants to star in his new movie, so she happily accepts his womanizing.
She tells him he's the only one for her, and of course she'll know her place.
Then, while he's out carousing, she becomes the third sugar daddy's kept woman.
Her third sugar daddy is an award-winning actor from a wealthy family, gentle and rational, yet coldhearted and unfeeling. He tells her, "You know I could never fall in love with you, so you need to know your place."
Xu Ran has wanted to fake a couple pairing with him for a long time, so she happily accepts his coldness.
She tells him he's the only one for her, and of course she'll know her place.
All three men are very pleased with Xu Ran's sense of boundaries, and Xu Ran is just as pleased with theirs.
She carefully hides the existence of each man from the others, treating them like strangers during the day and passionately entangling with them at night. She moves between the three men, successfully making each one believe that he is the only one for her.
But little by little, Xu Ran realizes that the three men are starting to forget their boundaries with her...
Theme: They all think they're her one and only, never realizing she's the one and only for all of them