What Remains has an official trailer and poster, which you can check out below.

In the film, During the 1990s, at a Scandinavian psychiatric hospital, a man known as Mads Lake confessed to multiple murders and was convicted. However, the uneasy triumvirate of Mads, therapist Anna Rudebeck and policeman Soren Rank, all have a vested interest in unearthing the truth, as a deepening co-dependency threatens to consume them all. Inspired by true events.

Directed by Ran Huang and co-written by Ran Huang and Megan Everett-Skarsgard. Starring Gustaf Skarsgård, Andrea Riseborough and Stellan Skarsgård.

In Theaters & On Demand June 21.