On his way to work, Thi, a college student and part-time tutor, stumbles upon the sight of the local gangster, Noey, confessing his love to one of his students, only to be rejected on the spot. At this very moment, Noey and his gang spot Thi at the scene, thereby resulting in a series of unfortunate incidents that Thi never saw coming.

One day, Thi and his friends go to a well-known restaurant for dinner. Afterwards, the restaurant owner personally reaches out to Thi, hoping that he can tutor her child with his studies.

Even though Thi's students all tell him to avoid getting too close to Noey, Thi finds out that Noey has a friendly side to him.

Thi finally learns that the new student he is going to start teaching is actually Noey! But will the naughty Noey be obedient and pay attention to class?

One day, Thi learns that Noey is going to fight with another gang and decides to investigate, but he learns something beyond his expectations.

Noey takes Thi to participate in their regular "gang" activities, and the two experience a hilarious and unforgettable day together.

Noey wants to ask out Pam once again, and Thi thoughtfully rehearses his confession with him, will Noey succeed in getting Pam?

Noey decides to change his object of his affection and pursues Thi. As a result, he cooks up several schemes and engages in an all-out courtship battle!

Noey joins the summer camp that Thi and his friends have organized. Will he behave nicely for Thi, or will he continue to be naughty and mischievous?

Thi and Noey go to a carnival and happily spend an evening together full of sweet moments, but when they get home, something unexpected happens.

Thi's parents are visiting from Chiang Mai, and they seem to have some opinions about Noey, will this affect the relationship between the two youngsters?