Serial killer Guy Georges' hunt by a female captain who created a DNA database that revolutionized the police methods.

Separated at the birth of his mother who has only time to entrust to a member of his family, Guillaume de Villon, when he should have been killed, François will as well go to the ill-known taverns of the Latin Quarter that the Court of the Duke of Orleans, passing by the benches of the university. This marvelous poet at the same time as a scoundrel of morality will have a life where fights, robberies, imprisonments and final banishment will be linked. Leaving Paris, Villon will disappear.

A French police inspector solves crimes and mysteries while also raising two teenage daughters.