Viktoria is a Hungarian countess who believes her Hussar captain husband was killed in World War I. She marries an American and resettles at the American consulate in Tokyo. Her first husband reappears, alive; and the American generously releases Viktoria from their union.

Just for fun and to prove to the daughter of the castle lord how courageous they are, three young men agree to each spend one night in the "blue room“ of the castle. Years ago two people lost their lives in this room under most mysterious circumstances. Ever since, the door to the room has been locked. The youngest of the three men insists upon spending the first night in the blue room. At exact 1 a.m. a shot rings out...

1941 film by E. W. Emo