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Watch Hetty Wainthropp Investigates Season 3 Online

  • 7.2/10
  • COUNTRIES: United Kingdom
  • Subtitles: English

When a teenage pyromaniac terrorizes a neighborhood, the police are helpless as frightened victims refuse to testify against him. Enter Hetty, posing as the Irish sister-in-law of one of the residents. Her plan: infiltrate the local sewing circle and get the lowdown on Lenny the firebug and his gang.