In 17th century Paris, the goldsmith Cardillac is revered for his amazing works of art. Meanwhile, his daughter is conflicted between her love for an Officer and her devotion to her father. The city is in a panic however, for there is a murderer loose. It seems that anyone who buys an object from Cardillac mysteriously gets murdered. Unbeknownst to the general population, Cardillac himself is the murderer. After the Officer buys a gold chain from Cardillac, Cardillac attempts to murder him, but instead, the Officer lives. The Officer identifies his assailant as Cardillac's assistant. Torn by guilt however, Cardillac reveals that his in fact the murderer and is killed by the Paris mob.