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.