A group of boys who meet at the camp and begin their training together. Many obstacles happen during the hard time training that they have to deal with. Later, the friendship and true friends are the most precious things they've found in Khao Chon Kai.

The film centers to a high school that is going to be taken over by foreign investor, who plans to turn the whole school into a department store. When all the alumni heard this shocking news, they join in team and return to their school, where the old memories of laughter, love, and friendship are still around, to fight against the take over project and set the beloved school free.

A young woman who has secretly loved the man she grew up with is forced into marriage with him when he needs a way out of a dangerous situation involving a powerful man's wife. Having never considered her a suitable partner, he initially rejects the marriage, but living together gradually changes his perception of her and their relationship.

Amid lawlessness and corruption, legendary police detective Khun Pan joins a formidable group of bandits but grapples with his loyalties.