Carson Burton Harry Styles plays a closeted policeman in the teaser trailer for the romantic drama “My Policeman.”Released by Amazon Studios on Wednesday, the teaser finds Styles and co-stars David Dawson and Emma Corrin entangled in a complicated love triangle.

The story — an adaptation of Bethan Roberts’ 2012 novel — follows Styles’ character Tom Burgess, a closeted policemen. Since it is illegal to be gay in 1957 Brighton, Burgess begins dating a schoolteacher named Marion (Corrin), but also has a secret love affair with a museum curator named Patrick Hazelwood (Dawson).The film jumps between two time periods: the 1950s and the 1990s.

In the ’50s, Burgess navigates his love triangle, but then, 40 years later, Tom and Marion’s fraught relationship becomes even thornier as Patrick returns to their lives after suffering a stroke.