Set against the backdrop of the Prague Spring period of Czechoslovak history, the novel explores the philosophical concept of Nietzsche's eternal return through the intertwined lives of four characters: a womanizing surgeon, his intellectual wife, his naïve mistress, and her stoic lover. The narrative delves into their personal struggles with lightness and heaviness, freedom and fate, love and betrayal, and the complexities of human relationships, all while offering a profound meditation on the nature of existence and the paradoxes of life.

The book is a psychological exploration of the clash between Western and Eastern business cultures, as seen through the eyes of a young Belgian woman working for a major Japanese corporation in Tokyo. The protagonist's initial fascination with the company's traditional Japanese corporate culture turns into a harrowing psychological ordeal as she confronts extreme work ethic, rigid hierarchies, and the challenge of maintaining her identity in the face of overwhelming conformity. Through her experiences, the novel delves into themes of alienation, the search for self, and the often surreal nature of cross-cultural encounters.