Artyom, a student, falls in love with Ksyusha, a beauty from a Black Sea town. He abandons everything and follows her to the south of Russia. There he realizes that he has two serious rivals for Ksyusha's love - a Navy cadet and a daredevil cop. It seems that the naive student has no chance. Even his new friends' help does more harm than good. But our hero doesn't intend to give up: this means war.