The Man Who Knew Too Much (1934)

In "The Man Who Knew Too Much" (1934), a family becomes entangled in an international assassination plot during a vacation in Switzerland. When a foreign spy reveals crucial information to an American couple, they are drawn into a web of danger and intrigue. Faced with the difficult decision of protecting their child or preventing a political catastrophe, the couple embarks on a suspenseful journey filled with thrills and suspense.