Watch Hilary Swank and Helena Bonham Carter in the trailer for 55 Steps

55 Steps is based on the inspiring true story of Eleanor Riese, a mental illness patient herself, who brings a class action suit to give competent mental patients the right to have a say in their medication while they’re in a hospital, and Colette Hughes, the lawyer appointed to her case.

Directed by Bille August, the film stars Hilary Swank, Helena Bonham Carter, Johan Heldenbergh, Jeffrey Tambor, and Cynthia Hoppenfeld.

It is out in the US on digital from 16th October and then cinemas on 16th November 2018.