In a near future, Max and her daughter are selling stolen robots on the black market. When Max loses custody of her daughter following their latest scheme, she must rely on the last robot she took, T-O, who is ready to do anything to help.

Florence, a teacher and researcher, uncovers with astonishment an anachronistic engraving - in modern French - on a Gallo-Roman fresco she just digged up. When she realizes this engraving is really from Antiquity, her rationality is put to the test.