Synopsis

Angsumalin grows up with her mother and grandmother by a canal in Bangkok Noi, without the love of her father, a high-ranking naval officer who has started a new family. She is close to Vanus, her childhood friend, and they promise to wait for each other while he studies in England.

When World War II breaks out, Angsumalin comes to hate the Japanese, especially after learning that Dr. Yoshi, who once taught her Japanese, is actually a Japanese soldier. She later meets Kobori, a young Japanese naval officer stationed near her home. Although Angsumalin declares herself an enemy of the Japanese army, Kobori falls in love with her and consistently shows kindness to her family, eventually winning the affection of her mother and grandmother.

After an air raid, Kobori saves Angsumalin’s life and confesses his love. Rumors and political tension cause their relationship to be used for political purposes, and Angsumalin’s father asks her to marry Kobori to ease the conflict. She agrees, despite not loving him at first.

After the marriage, misunderstandings and painful events push them further apart. Kobori requests a transfer to the Burmese front, while Angsumalin later discovers she is pregnant. Vanus returns as a member of the Free Thai resistance, and Kobori secretly helps him survive, though this leads to a major misunderstanding.

In the end, Angsumalin realizes that the person she truly loves is Kobori, but she never gets the chance to tell him. Kobori goes to Bangkok Noi railway station and is seriously injured in a bombing raid. Angsumalin rushes there and finds him buried under the ruins, marking the tragic end of a love shaped and destroyed by war.

Koo Kam is a timeless story of love, sacrifice, and loss in the midst of war.