The film tells the gripping story of a millionaire merchant who hides his wealth in the taiga during the civil war. The legend of the lost gold is passed down from generation to generation until 1975, when geologist Boris Albertovich discovers a coin with the initials "TB." In the present day, his grandson Sasha and friend Vitaly, deeply in debt, decide to find the treasure to change their fate. Their journey is fraught with danger and conflict, culminating in the discovery of a letter from Toyon Baaya's servant, revealing the tragic history of the treasure. The film emphasizes that true treasure is family and love, and immerses viewers in the cultural richness and picturesque landscapes of Yakutia.