北极寒风呼啸，洁白冰雪覆盖，星空璀璨，展现大自然的无与伦比之美。巫墓

　　The beginning of the 1960s, a period of aggravation of the confrontation between the USSR and the USA. In the most difficult weather conditions and with malfunctions on board, the first Soviet nuclear submarine K-3 sets off for a hike under the ice of the Arctic Ocean in order to surface exactly at the North Pole.