Francia, 1770. Marianne, una pintora, recibe un encargo que consiste en realizar el retrato de bodas de Héloïse, una joven que acaba de dejar el convento y que tiene serias dudas respecto a su próximo matrimonio. Marianne tiene que retratarla sin su conocimiento, por lo que se dedica a investigarla a diario.
France, 1770. Marianne, a painter, receives a commission that consists of making the wedding portrait of Héloïse, a young woman who has just left the convent and who has serious doubts about her next marriage. Marianne has to portray her without her knowledge, so she dedicates herself to investigating her daily.