Marianne is hired to create a likeness of Héloïse, whose mother wants her to marry. In 1770, a painting is the only way a prospective groom can see his bride. But Héloïse doesn’t want to be married – or painted. Céline Sciamma’s latest film was a highlight at Cannes. It combines feminism, desire, and an investigation of how a woman can be independent in a world made by and for men.