THE MAN WHO KNEW TOO MUCH

Bob and Jill Lawrence, a British couple on a trip to Switzerland with their daughter Betty, befriend Frenchman Louis Bernard, who is staying at their hotel. Jill is participating in a clay pigeon shooting contest. She reaches the final but loses to her rival sharpshooter, Ramon Levine, because at the crucial moment she is distracted by a chiming watch belonging to a Mr. Abbott.

That evening, Louis is shot as Jill dances with him. Before he dies, he tells Jill where to find a note intended for the British consul; she in turn tells Bob. Bob reads the note, which warns of a planned international crime.

The criminals involved in the shooting kidnap Betty, and threaten to kill her if her parents tell anyone what they know. Unable to seek help from the police, Bob and Jill return to England, where they discover that the group, led by Abbott, have hired Ramon to shoot a European head of state during a concert at the Royal Albert Hall. Jill attends the concert and throws Ramon's aim off by screaming at the crucial moment.

The criminals return to their lair behind the temple of a sun-worshipping cult. Bob had entered the temple searching for Betty, and both are being held prisoner in the adjoining house. The police surround the building and a gunfight ensues, resulting in a number of policemen being shot and killed. The criminals hold out until their ammunition runs low and most of them have been killed.

Betty climbs up to the roof, fleeing from Ramon, who follows her. A police marksman dares not shoot at him because Betty is so close. Jill grabs the rifle and shoots Ramon, who falls off the roof.

The police storm the building. Abbott, the criminal mastermind, is hiding inside but he is betrayed by the chiming of his watch. He shoots himself (shown by gunshot smoke) and dies. Betty is reunited with her parents.

After a siege between police and the kidnappers, Jill uses her sharpshooting skills to save her daughter, Betty, while the criminal mastermind, Abbott, is unmasked and dies. Betty is reunited with her parents.

The ending showcases Jill’s pivotal role; her marksmanship directly saves Betty in a moment of maternal courage, turning an ordinary family into unlikely heroes. Hitchcock uses the concluding siege and Abbott’s downfall to resolve the web of intrigue, blending suspenseful set-pieces with personal stakes. The family’s ordeal highlights both vulnerability and resilience, serving up a neat payoff for the film’s suspenseful build-up.