"Master Olof: a drama in five acts" is one of the most famous plays by the author August Strindberg. This tragedy depicts the struggle of the main character, the free-thinking clergyman Olof, for his beliefs in the middle of the 16th century in Sweden. The book opens to the reader a multifaceted world of internal struggle, moral conflicts and principles. With the help of the high art of drama, the author recreates the atmosphere of races and faith, depicts the impulses and depths of the main character's soul, and also exposes the social and religious conflicts of the society of that time. "Master Olof" remains relevant to this day, reminding the reader of eternal values that are worth fighting for even in the most difficult circumstances.