Angel Street tells the story of the Manninghams who live on Angel Street in 19th century London. Under the guise of kindliness, handsome Mr. Manningham is torturing his wife into insanity. He accuses her of petty aberrations that he has arranged himself; and since her mother died of insanity, she is more than half convinced that she, too, is going out of her mind. While her diabolical husband is out of the house, a benign police inspector visits her and ultimately proves to her that her husband is a maniacal criminal suspected of a murder committed fifteen years ago in the same house, and that he is preparing to dispose of her. Then starts the game of trying to uncover the necessary evidence against Mr. Manningham. It is a thrilling and exciting melodramatic game.