“THE INVISIBLE WOMAN,” starring Ralph Fiennes and Felicity Jones.

Fiennes, who also directs, plays Charles Dickens in this period drama based on the life of the famed author and the story of his affair with his mistress, Nelly (Jones).

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Ralph Fiennes and Felicity Jones in “The Invisible Woman.” Sony Pictures Classics

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• At the Movies

The two meet in the theater, where Dickens is stimulated by Nelly’s fierce intellect, and they engage in a long relationship in which Nelly is required to be “invisible.” Kristin Scott Thomas also stars.

Rated R. 

Showing at Portland Museum of Art, 2 p.m. Saturday and Sunday; 6:30 p.m. May 9; 2 p.m. May 11