The Little Murders of Agatha Christie

Residential School Murders (3x10)

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Julie Froment, the French teacher at a very select boarding school, is murdered while Rose was giving a lecture on psychology. Greco and Beretta are astonished to see that the evidence is accumulating against her: Rose was indeed attending boarding school with the victim of whom she was the pain sufferer. Beretta enlists as a substitute teacher to understand the truth.