The Origin of Evil (French: L'Origine du mal) is a 2022 thriller drama film written and directed by Sébastien Marnier.

[3] It stars Laure Calamy, Doria Tillier, Dominique Blanc, Jacques Weber, Suzanne Clément, Céleste Brunnquell and Véronique Ruggia Saura.

[6][7] Nathalie, a con-woman, assumes the identity of her imprisoned girlfriend, Stéphane, who is the biological daughter of wealthy businessman Serge Dumontet, and attempts to fit in with his established family despite their unwillingness to accept her.

[11] David Katz of Cineuropa wrote that the film "feels like the sort of movie you might've caught half-asleep on late-night TV in the pre-streaming age, perhaps after having missed the first 15 minutes – forcing you to stay glued until the very end, drooping eyelids be damned.

"[3] For Screen Daily, Allan Hunter wrote that "Marnier's agile screenplay takes us beyond surface appearances to reveal the hidden agendas at play.