Arctic landscape. Polar station. The winterers are at the instruments, at the map. Equipping dog sleds for the journey. Winterers and dogs make their way through the snow. Bear footprints in the snow. A blizzard, two teddy bears are walking along the snowy plain. The winterers take the cubs with them and bring them to the station. Feeding the cubs. Working days of the station; work in the radio room. The cubs get to know the station, fight. Construction of a playground, digging a den for bear cubs. The cubs walk in the den, ride down the hill. Sending the cubs by plane to Moscow. Streets of Moscow. A car with cubs is going by. Zoo. The cubs are washed, examined by the veterinarian. Cubs on the young animals' playground, swimming, playing with the dog. Zoo visitors.