A pedantic killer receives an order from the CEO of a large corporation to remove a competitor. "Special" is sent to realize the desire of the customer, but after the successful completion of the task, it turns out that the office employees assigned to oversee this project have a couple of minor edits.

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.