Even when both of them have fully grown up, Aziz and Buang (Salleh Kamil) always bully Hassan together.
At the same time, Salmah (Saadiah) has developed a crush towards Hassan, fuelling Aziz's fury even higher.
Hassan wants to prove to the villagers that he is capable to be a good soldier.
When the Japanese invaded Malaya, Sergeant Hassan with his comrades fight them bravely.
At the same time, Buang becomes a traitor of his own nation by becoming a member of the Japanese secret agent Kempeitai.