The vessel "Zaporozhets" sails on another overseas voyage. When the ship was already in the open ocean, radio operator Lesya Gordienko received an SOS radio message from a yacht carrying the daughter of English shipowner Alice Masefield and her fiance Michael Payton. After taking away Alice's life belt, Michael plunged into the water, leaving Alice on the burning yacht. Drowning Alice is rescued by Yuri Tsymbalyuk, a cadet at the naval academy. The intern and Lesya had a long-standing friendship...