The narrative centers on the inhabitants of a Sydney boarding house, where the boundaries between human behavior and predatory instinct blur under the pressure of urban isolation. The protagonist, a young man named Lee Mallory, navigates the claustrophobic environment of the house, observing the eccentric and often grotesque residents who compete for dominance and survival. Ireland employs a fragmented, episodic structure that mirrors the erratic lives of his characters, forcing the reader to piece together the underlying social critique. The primary conflict arises from the characters' desperate attempts to assert their humanity within a system that treats them as disposable commodities.

This work is frequently analyzed for its unflinching portrayal of the darker aspects of the Australian urban experience during the early 1970s. The narrative style suggests a deliberate attempt to unsettle the reader by stripping away the veneer of polite society to reveal the raw, competitive instincts underneath. Critics often point to Ireland's ability to balance grotesque characterizations with a profound sense of empathy for the marginalized figures he depicts. The book remains a significant example of mid-century Australian satire, noted for its refusal to provide easy resolutions or moral comfort to the audience.