"A Prisoner in the Caucasus" is a short story by Leo Tolstoy, published in 1870.
An officer with the name of Zhilin is serving in the army. One day he receives a letter from home. It is from his mother who asks him to come home because she has found a girl for him. He obtains a leave of absence and his adventure begins. It was a time of war with the Tartars in the Caucasus...