R.J. Daniel Hanna’s Succubus (2024) takes the familiar hazards of modern dating apps and twists them into a slow-burn, atmospheric descent into isolation. Brendan Bradley gives a grounded performance as Chris, a stressed new father separated from his wife who succumbs to the temptation of a mysterious online match. Rachel Cook fits the title role, projecting a hypnotic presence through screens and dreamscapes that steadily pulls the protagonist out of reality. While Ron Perlman adds weight as a researcher tracking the entity, his subplot feels underwritten and leaves a few narrative threads…