Angsumalin, the beautiful daughter of a military leader, says good-bye to her friend Vanus, who is going to England to study. She won't promise to marry him, but will give him an answer when he returns. The Japanese invade, and circumstances bring Angsumalin together with Kobori, an idealistic Japanese captain, who is also related to a powerful Japanese general.
On Songkran, Bangkok native Kan travels to the far north of Thailand to further his study. There, he meets the beautiful Saimai and they quickly form a bond. Sadly, Saimai is to be married off to a local. Kan does everything in his power to stop the marriage, and to stop a falling out between him and his close friend Tawan.