In 1892, a young dancer comes to Paris in search of her missing sister.

During the World's Fair of 1889, three engineers are killed in unclear circumstances.

At a performance of Carmen, a young usherette is found in a box.

In 1898, a sauce chef is pulled into an assassination plot after her son is kidnapped.

An infamous Parisian robber attempts to pull off a jewel heist at the Louvre.

A female law student is accused of murder.

A mother and a son employed in the Elysee investigate on a murder.