Guntur, a boxer, checks into a hotel on the day before his match, with his coach. In the hotel, Guntur stays in a room next to Udel and his wife. To secure victory, coach Hasan Sanusi poisons Guntur’s eyes. After dropping Guntur at the hospital, Tjepot, his coach, sees Udel, who resembles Guntur. He persuades Udel to fight in Guntur’s place. At first Udel resists, but he finally agrees, after Guntur’s girlfriend, also mistakes Udel for Guntur, by hugging him. At the end, his wife is also very proud of him. After the match when he manages to knock his opponent out, the two women begin to fight over him. The problem is solved when Guntur shows up.