Unhappy in his marriage, a Moscow bank worker, Dmitri Gurov is vacationing in Yalta, Crimea, where he sees a young lady walking along the seafront with her small dog. They are soon engaged in an affair, and spend most of their time together walking and taking drives to Oreanda. Returning to Moscow and his daily routine, working by day and clubbing by night, Gurov expects to soon forget young Anna but finds he is haunted by her memory.