In 19th century France, detective Auguste Dupin is summoned to Paris, called to investigate the brutal murder of Madame L'Espanaye and the kidnapping of her sister Camille. Along with his assistant, he must search for evidence and use his sharp mind and its powers of deduction to elucidate the case and find the culprit.

In 19th century France, detective Auguste Dupin is summoned to Paris, called to investigate the brutal murder of Madame L'Espanaye and the kidnapping of her sister Camille. Along with his assistant, he must search for evidence and use his sharp mind and its powers of deduction to elucidate the case and find the culprit.