The corpse of old Bobo Nazir was found in a mountain village after a fire. Major Kasymov in the basement of a burned-out house discovers a chest with jewelry that belonged to the Basmach Rakhimbek. The absence of a priceless battle belt points to the cause of the crime. The detectives go to the jewelry dealers to capture the criminals.

The 1920s. Taking advantage of the fact that Soviet power had not yet come to Yakutia, the merchants made the locals completely dependent on their will. Merchant Oparin stopped exchanging gunpowder and products for furs, he wanted to find out where the gold-bearing stream was located. But the chief of the Sadyuk tribe did not violate the law of the ancestors and did not reveal the secret of the Golden Stream.

Student Malika studies at one of the universities in Dushanbe. Her hobby is field hockey, and she is the center of attack for the Sogdiana women's team. One day, Malika meets Said, who studied at the University of Bombay, where the young man, it turns out, learned not only the humanities, but also the game of field hockey, kung fu techniques, and even the secrets of the skill of Indian dancers. Said instantly falls in love with Malika and soon becomes the coach of Sogdiana. But the proud girl, offended by the new coach’s comments, goes to the synchronized swimming section. Disguised as a correspondent, Said enters the pool.