Jo, Arif's horse, a teacher, is Arif's favorite horse and his sister Lisa. Apart from Arif and Lisa, Jo is also friends with three of Arif's students: Genta, Cinta, and Danar. Friendship has been established since Jo managed to save three friends from an incident. The villagers also love Jo because Jo is smart and handily. However, the events that come repeatedly put Jo in the wrong position and make Jo hated. Jo is also accused of being the cause of everything that happened. Because of that, Jo is expelled from the village and separated from his friends. Jo still hopes to come back again.