The Blue Brothers - Tom, Carlos, David, and Shiro, are four half-brothers studying in an elite all-boys high school called St.Patrick's Academy. They find out that their father who also owns the said academy is going to die in three months, leaving the school bankrupt. As an evil competitor plans to do a hostile takeover and get the 'blue academy' at all cost, the teenage brothers need to find the four keys essential to unlock a hidden treasure buried by their grandfather years ago, for the academy to be saved.

"He is 24. She is 16." As Alvin sits in a swing beside a river, he opens a scrapbook which brought back memories of a girl named Julie, his long-time neighbor and best friend. They were so close like siblings that he didn't mind their age gap. Feelings were mixed as Alvin recalled his so-called moments and adventures with Julie. Those were times of fun, laughter and tears, as they discover the true meaning of love and friendship.