A novel by Michel De Saint Pierre was the source for Les Aristocrates. Pierre Fresnay stars an aging Marquis, who tries his best to uphold the traditions of nobility in an ever-changing world. The Marquis' children prefer the trappings of modern society and pop culture and regard their father as a relic. This cultural clash nearly results in tragedy when two of the Marquis' offspring substitute recklessness for common sense.

In Pompeii in the year 79, Lycias and Helen fall in love. Helen's guardian, the high priest of Isis, wants to separate them. To do so, he tries to make Lycias drink a love potion, but a young slave threatens to reveal everything. The high priest, unable to silence her, kills her and arranges to have Lycias accused...