Palme d’Or-winning actor Caleb Landry Jones has reunited with both Luc Besson, his director on the 2023 action thriller “DogMan” and the upcoming “Dracula: A Love Tale,” and Peter Brunner, who directed him in the experimental 2008 drama “To the Night,” on a secret passion project they’ve been working on for several years.

“Down the Arm of God,” being unveiled for the first time, was co-written by Brunner and Landry Jones and is set and shot within the homeless community in Texas, where production will soon wrap. Besson is producing through EuropaCorp, while Landry Jones also produces alongside Christian Sosa and Jon Wroblewski via their Roosevelt Film Lab.

The film — which is being formally introduced to the industry by Kinology at the EFM in Berlin — follows a young pastor (Landry Jones) through a harsh winter in a small Texas town, where his mission to help the homeless is faced with resistance by his congregation,...