Murder on the Blackboard (1934)

At a seemingly ordinary school, Hildegarde Withers uncovers a web of hidden truths after discovering the lifeless body of a beautiful music teacher. Seeking answers, she reaches out to her friend, Inspector Piper, who quickly apprehends a likely culprit. As more clues emerge, suspicion falls on numerous individuals, turning the investigation into a tangled mess of motives. The dynamic between Piper and Miss Withers adds tension and humor as they navigate their intellectual rivalry while trying to solve the mystery that lurks behind the school’s facade.