A Royal Affair (Danish: En kongelig affære) is a 2012 historical drama film directed by Nikolaj Arcel, starring Mads Mikkelsen, Alicia Vikander and Mikkel Følsgaard. The story is set in the 18th century, at the court of the mentally ill King Christian VII of Denmark, and focuses on the romance between his wife, Caroline Matilda of Great Britain, and the royal physician Johann Friedrich Struensee. Wikipedia
Johann Friedrich Struensee: Your majesty. Caroline Mathilde: You recognized me. Johann Friedrich Struensee: I would recognize you blindfolded. Caroline Mathilde: But your costume is not very imaginative. Johann Friedrich Struensee: I'm afraid I'm not very good at the masquerade. Caroline Mathilde: I believe this is the one night when everyone can be themselves. (pause) Caroline Mathilde: But you never remove your mask. Do you?