: Kästner paints a picture of a society where casual sex, political radicalization, and economic instability have hollowed out traditional values.

: He lacks the drive to succeed in a corrupt system, eventually losing his job and watching his friend Labude succumb to despair. Key Themes: A City on the Edge

The novel is widely regarded for its vivid "semanticization of urban living spaces," capturing Berlin as a character in its own right.