The story follows three sisters from a Thai dancing house nicknamed "Tre Chada" meaning Trio Tiara. The eldest, Chadaohorn, is the most beautiful woman one could lay eyes on, unmatched by anybody. The middle, Chadaploy, has an air of free-spiritedness and self-confidence. Finally, the youngest, Chadapetch, is just as mean as she is pretty, and loves to compete with people. One day, Chadaphorn falls into a canal and dies. The conclusion of the investigation was "accidental death". However, in reality, it was not an accident but a murder. Someone had chased her and murdered her that night. Now her spirit lingers in the air, holding a deep grudge against the one who caused her death.
Jenkhwan, an architecture freshman who loves competition, loses a bet with his good friend Pod. Consequently, Jenkhwan has to dress as a woman for their high school farewell party. By chance, Jenkhwan comes to save drunk comm arts freshy Pin. Jenkhwan likes her immediately but the two part ways before they can get to know one another. Fate, however, brings them together again under confusing circumstances: Jenkhwan's name ends up on the girls' dorm list and his roommate is none other than Pin. At first, Jenkhwan intends to clear things up and have his name moved to the men's dorm list. Then Pod proposes a new wager; as his rival, he thinks Jenkhwan has no chance of successfully hitting on Pin. As someone who never surrenders, Jenkhwan's next move is to become Jenny and take up his place in the women's dorm.
The woman is fooled in love by some guy, later gets pregnant with his child. He left her with madness. For revenge, she set her daughter in love with him. They don't even know that they're biologically father and child