Upstairs, Downstairs S01 E08 I Dies from Love

"None of that behaviour in my kitchen."

April 1907: Believing destiny brought them together, Emily, the scruffy kitchen maid, falls deeply and hopelessly in love with a footman named William. When his mistress, Mrs. Van Groeben, learns about his relationship with Emily, she angrily orders William to stop seeing her, leaving Emily heartbroken and driven to an act of desperation.