A second trial begins in November 1975 against French left-wing revolutionary Pierre Goldman, accused of several armed robberies and the death of two chemists.
Inspired by the adventures of Arsène Lupin, gentleman thief Assane Diop sets out to avenge his father for an injustice inflicted by a wealthy family.
Passing through Paris, Roman, a young archaeologist, gets back to Adam, his unruly younger brother.