Off the back of Porter's Berlinale debut 'The Thing With Feathers,' Oscar-winning Murphy stars as a headteacher in the Tim Mielants-directed film.

Steve is about a headteacher (played by Cillian Murphy) of a last-chance reform school who struggles to keep his students in line, while also grappling with his spiralling mental health. The plot is told over a pivotal 24 hours in the life of its titular character.