"Broken Glass" is a satirical novel that takes place in a seedy bar in the Congo. The narrator, a disgraced schoolteacher known as Broken Glass, has been commissioned by the bar's owner to write about the bar and its regulars. The story is a chaotic, humorous, and poignant exploration of the lives of these characters, their histories, and their relationships, all told in a single, run-on sentence without any full stops.

The book follows Darius Kellner, a half-Persian teenager living in America who struggles with clinical depression and feels disconnected from his heritage. When his family travels to Iran to visit his ailing grandfather, Darius grapples with the complexities of identity, belonging, and friendship. In Iran, he forms a bond with Sohrab, a boy who helps him understand the value of true connection and the importance of embracing his cultural roots. Through this transformative journey, Darius confronts his internal battles and learns to navigate the intricate landscape of family expectations, mental health, and self-acceptance.