Usop Sontorian tells the story of the village life of Malaysian boy Usop b Mat and his friends Abu, Dol, Ah Kim, Vellu, and Singh. Usop is the third child in his family. He has two elder siblings: a sister, Kak Kiah, and a jobless brother named Abang Budin. The story is set in Kampung Parit Sonto, not far from the town of Ayer Hitam, Johor; hence the name '"Sontorian". The theme of the series was to promote unity and harmonious relationships between all races in Malaysia.