Ghost Stories - Season 1 Episode 11 All Night Diner

Abandoning her family, a woman drives out of town and stops at an all night diner. Inside, she is harassed by strange customers who know too much of her past, causing her to flee to another diner. But to her horror, she discovers that it's the same diner with the same tormentors. Turns out she was killed in a car crash and is trapped in her own purgatory of guilt.