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.

Three inseparable friends set off on what they believe will be a carefree adventure in Bangkok, only to be swept into a whirlwind of chaos that tests their friendship, love lives, and personal values.