Mother Jerusalem and her daughter, Currency, navigate the harsh realities of the Australian goldfields while seeking economic stability through their laundry business. Driven by the necessity of survival in a volatile environment, the pair follows the shifting tides of the gold rush, offering essential services to the transient mining population. Their objective is to secure a foothold in a landscape defined by physical exhaustion and the unpredictable nature of prospecting. The narrative framework captures the grit of the era, focusing on the domestic labor that sustains the men who chase fortune. The characters must contend with both the unforgiving climate and the social hierarchies inherent in the mining camps.

Readers often note the stark realism with which Ruth Park depicts the hardships of the Australian frontier. Discussion frequently centers on the unconventional protagonist pair and their resilience in a male-dominated environment. Critics highlight the author's ability to balance the harshness of the setting with the intimate details of the characters' daily lives. The pacing is described as steady, reflecting the relentless nature of the work performed by the characters. Many find the historical context to be well-researched and evocative of the period's specific social pressures.