Kashtanka, a young foxey-looking mongrel, belonging to a carpenter drunkard named Luka Alexandrovich gets lost through her own 'improper behaviour', frightened by a military band on the street. If she had been a human being she would have certainly thought: 'No, it is impossible to live like this! I must shoot myself! A stranger comes out, feels sorry for the lost dog and, delighted with her funny looks, takes her to his place where he treats her to good dinner.