In 2014 a large painting representing Judith Beheading Holofernes was discovered in an attic in Toulouse, France. A controversy ensued immediately about the attribution of the painting's authorship to Caravaggio. The documentary follows a famed art expert in charge of organizing the sale of the painting on behalf of the owners, while specialists debate on its authenticity.
| Directing | Frédéric Biamonti | Director |
| Editing | Cédric Defert | Editor |
| Editing | Alexandre Landreau | Editor |
| Sound | Alexandre Abrard | Sound |
| Sound | Philippe Charriot | Sound Mixer |
| Sound | Laurent Herniaux | Sound |
| Sound | Patrick Mauroy | Sound |
| Sound | David Sandras | Sound |
| Production | Julie Guesnon Amarante | Producer |
| Production | Justine Henochsberg | Producer |
| Crew | Emilie Aujé | Cinematography |
| Crew | David Quesemand | Cinematography |
| Crew | Didier Hill-Derive | Cinematography |
| Crew | Emmanuelle Collinot | Cinematography |
