The Rabbit Hole (2019)

During the end of the Vietnam War, Mason Hurley returns home after losing all of his men in combat. His family is hesitant to embrace his return, as they are concerned he has brought back the monsters with him. The more he tries to not deal with his PTSD, and lock it away, the more it comes to the surface and affects not only Mason but his entire family until it manifests into PTSD Paranormal Psychosis.