Biru is a family drama that tells about the friendship between Aslan and Biru.  Once upon a time, Aslan, Cantika and their friends took part in a rafting competition.  However, the rubber boat that Aslan and Cantika were riding on hit a rock and Aslan fell.  Unexpectedly, someone helped Aslan.  When Aslan woke up from his fainting spell, he was shocked to see a girl with a blue body all over her.  Aslan hit him with a rock.  Unexpectedly, the girl shed tears on the wounds on Aslan's body.  Miraculously, Aslan's wounds heal!  And at that moment, the girl's body turned normal like humans in general.