Descension (2020)

Marine sniper LCpl. Liam Jacobs returns home from his tour only to be plagued by the memories of what he encountered in combat. Struggling to readjust to civilian life, he goes to a familiar place where he can find peace and solitude, with only his father's old rifle to accompany him. His quest for serenity is interrupted when he encounters foes who push his mind and body to the limits.