
"In her distress she appealed to the chief of police. He promised aid, but did not know that she ???"
Robert Castleback is in possession of secret papers which could bring a certain prince to power under conditions which would make Castleback a ruling force in Europe. Master crook Arsene Lupin becomes aware of Castleback's bid for power and, in the interests of France, begins a search for the plans.
Arsene Lupin

Robert Castleback

Maj. Parbury / Ribeira

Formerie

Chapman

Gerard Beaupre

Gourel
Doudeville
Prefect of Police

Marco
Dolores Castleback

Genevieve

Vashti Seminoff
