Stay for 5 months on the uninhabited island of Champ of the Northern Archipelago of Franz Josef Land, the author of the film, director and cameraman Y. Ledin, with his wife, little daughter and a five-month-old teddy bear brought up by them, who was born in the zoo. Filming observations of female polar bear families (she-bears with two cubs) in their natural habitat. The relationship of polar bears with each other, the attitude towards the people present on the island. Behavior of a bear cub from a zoo in unfamiliar conditions. Hunting for food by the she-bear, swimming in the water of the Arctic Ocean. The bears are sleeping, playing in the snow.