In an old coat with a cardboard suitcase, Yulya arrives to conquer the capital. Her Aunt Valya helps her get a job as a live-in nurse for Alla Nikolaevna, a wealthy and capricious old woman who had a stroke. A little time passes, and Alla and her son Pavel grow fond of Yulya. Only Pavel's wife, Lena, does not believe in the "good angel". And she seems to be right…
Afghanistan, 1989 - Soviet troops have left Afghanistan, but some Afghan leaders believe that the war is still going on. They have a special order - to destroy a regiment of Russian border guards in Tadzhikistan.
The action takes place in the late 1940s. A large-scale land-surveying research is underway in a remote area of Eastern Siberia. The work had almost been concluded when a wire arrives with the news of people disappearing in the locality of Yambuy. The expedition’s chief and radioman decide to go in search of the lost ones. The local Evenk hunters come to their aid. Many dangerous adventures lie in store for these daring people before they find the culprit – a man-eating bear.