Kyle Gallner will reunite with Strange Darling filmmaker JT Mollner on Skeletons.

Gallner joins Brie Larson (Kong: Skull Island).

Skeletons “is told from the perspective of a young boy who slowly begins to discover that his beloved parents are hiding a disturbing secret about his mother’s true nature.”

Mollner will direct from a script by Brian Duffield (Love and Monsters, No One Will Save You), based on the short story Fail-Safe by Philip Fracassi.

From Bad Robot, Infrared, and Assemble Media, the film is produced by Abrams, Drew Simon, Jon Cohen, and Jack Heller. Executive producers include Larson, Duffield, Fracassi, and Caitlin de Lisser-Ellen.

Deadline first reported on Gallner’s casting.