The romantic drama explores themes of forbidden love and shifting social conventions.

The English pop star plays Tom Burgess, a policeman in 1950s Brighton who marries schoolteacher Marion while engaging in a gay relationship with museum curator Patrick.

Gay Directors: Emanuel Levy (Columbia University Press).

The film is directed by Michael Grandage and written by Ron (Philadelphia) Nyswaner, based on the book from Bethan Roberts.

Its cast also includes David Dawson and Rupert Everett as younger-older Patrick and Emma Corrin and Gina McKee as younger-older Marion.

My Policeman arrives in U.S. and U.K. theaters on October 21 and on Prime Video globally on November 4.

Styles, who emerged as solo star from British boy band One Direction, released his third album, Harry’s House in May.

Other film credits including Christopher Nolan’s Dunkirk and Olivia Wilde’s drama Don’t Worry Darling, which is releasing in theaters in September.

Watch the teaser for My Policeman below.