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.
| Actor | Role |
|---|---|
 Darius KhondjiNot listed | Not listed |
| ÉÉric TurquinNot listed | Not listed |