In the hands of FSB Major Natalya Rostova, an inventory of jewelry taken out in 1941 from German-occupied Smolensk fell into the hands of FSB Major Natalya Rostova. For a long time this cargo was considered irretrievably lost. Has his trace finally been found? The investigation leads Major Rostova to the coast of the Laptev Sea, where border guards discovered a life raft with the corpse of a German submariner. Experts claim that no more than three days have passed since the death of the Nazi. How can this be? Natalya is trying to build her own version of what happened, not yet suspecting that she has become the object of a cunning game by Western intelligence services...