Marley, a dog, befriends Doni, a math teacher. One time, Doni is fired from school because he applies a different learning system. Because of that, Doni opens his own math tutoring. The tutoring is initially empty, but finally crowded. It is there that Doni meets Vina and there is love between them. Tension occurs when there is a math competition, Marley is kidnapped by a dog butcher.