Hermit (2020)

On their eighteenth wedding anniversary, George and Melany are locked in a heated argument. The exchange escalates when George confesses he's met someone named Cynthia. While Melany initially responds calmly, she refuses to let their marriage end without a fight, sensing deeper issues. She presses George to reveal what's truly troubling him, but he wants the conflict to end immediately and leaves the house. Melany confronts him, and a violent struggle ensues, culminating in George fatally strangling her. The next morning, George awakens to find himself on the living room floor, the night's events hazy and uncertain.