Jackson Wang has a good appearance, he is smart and comes from a wealthy family, but he is very arrogant. Tired of this, his grandfather orders him to accept a marriage to a schoolteacher with a dominant personality, after he helped Jackson's grandfather at an unexpected time.

Bambam is a normal student and he is in love with Yugyeom. From the other side, Jackson love in secret his best friend bambam and now they have a love triangle. Jinyoung is the new student at the school and everything changes with him.