In the territorial waters of the USSR, the team of a border ship recorded a deviation from the agreed course of a foreign vessel. During the inspection of the incident, it turns out that the offending vessel threw an object overboard. The border guards, with the help of a journalist assigned to them, establish that this is a radio beacon belonging to one of the Western intelligence services. The commander of the border ship Chaika, realistically assessing the threat that such a transmitting device poses to the country's defense, decides to prevent its removal, for which he simulates a breakdown of the ship...
as командир корабля капитан-лейтенант Чайка
as фотокорреспондент Марина Андреевна
as Санечка-Шурочка
as комбриг Борис Викторович Добрынин
as старпом Константин Петрович
as штурман
as боцман Анатолий Анатольевич Рыжухин
as капитан-лейтенант Николай Малашенко
as акустик старшина 1 статьи
as старшина 2 статьи Валерий Лавочкин
as капитан 1-го ранга
as пилот вертолёта лейтенант Грейс
as капитан 2-го ранга
