Bone World (2022)

During a summer visit home, Charlie, a solitary teenager, is preoccupied with his brother Francis, who has spent the last year in psychiatric care. Charlie has been reading Francis's journal. His mother, Mary, leaves him responsible for the family dog, Sticks, for a few days. When Sticks starts bringing home unusual bones from the woods, Charlie begins experiencing vivid dreams mirroring events described in Francis’s journal. As Charlie delves into a long-hidden family secret, he finds himself questioning the truth of what he discovers.