Landru (2005)

Désiré Landru - husband, lover - and murderer. Based on documented facts, this is the true story of the first modern serial killer: Désiré Landru, the man with over 200 mistresses, who courted and murdered 10 widows for their fortunes, and burned their bodies in his kitchen stove - but also the man who would maintain a tender passion for the one true love of his life, Rolande, who would remain faithful to him after his death on the guillotine, blindly refusing to recognize the evidence of Landru's guilt. The full story of one of the most ambiguous criminals and lovers of the 20th century.