Ever since they were young, Pran and Pat's families had a deep and raging rivalry, trying to one-up each other on everything. This also extended to their sons. Comparing their sons' achievements and merits,—whether it be academic or extracurricular—the two families leave no stone unturned to outshine and gloat in front of the other. The rivalry was passed down as a family heirloom and the two boys become rivals in turn. Until... they grow tired and become friends. Really good friends. However, because of their families' rivalry, their friendship has to be kept under wraps. And so began a journey of secret friendship... and then perhaps a secret romance?

Lian Kilen Wang and Kuea “Kirin” Keerati are in a quandary. Because of a promise made to their parents and grandparents, they find themselves heading toward an arranged marriage. The latter is a free-spirited musician—a vocalist and drummer—while the former is an outwardly cool businessman. While Kuea is keen to explore a happy and romantic life together with Lian, the feeling isn’t mutual—at least not initially. Lian is cold to Kuea and treats him dismissively. Eventually, he indicates that he has no intention of entering into an arranged marriage, and wants to break off their engagement. Kuea is reluctant but sadly agrees. However, soon after they have officially split, Lian starts to have feelings for Kuea.

Panpan is a medical student with a dream of becoming an idol. She's forced to conceal that dream because her father is a famous surgeon, Phuri, who hopes his daughter will go on to become a doctor like himself. What's more, Panpan is concealing her relationship with Aitim, her girlfriend, best friend, and biggest fan.