Icebreaker "Krasin" at sea; crew on board. Inspection and preparation of aircraft for flight. The movement of the expedition members on dog sleds. The winterers meet the expedition. Arrival to the icebreaker of industrialists. The Krasin people hunt for polar bears, deliver the killed bear to the icebreaker. Expedition members by the plane; glaciation of a part of the plane. The funeral of one of the expedition members. Preparing the icebreaker for the return trip; icebreaker advances in ice.