Ukraine, 1930s. American engineer Michael Shamrock and his son come to Kharkiv to help build socialism. Here, he falls in love with actress Olga Levitsk, who has another admirer, an influential NKVD employee.
Under tragic circumstances, an American dies and his son is saved from pursuers by a blind kobzar. With no other chance to survive in a foreign country, the boy becomes his guide. Their journey, filled with dangerous adventures, takes place against the backdrop of the most dramatic pages of Ukrainian history and the destruction of human destinies.