The passengers board the connecting Berliner 2 train for Berlin. Perrot suggests that each of them take a turn guarding Bernhardt in his compartment, with him going first. Afterward, Lindley pieces together various lies Perrot had told and recalls that he knew that the bomb was made from a grenade, but the others dismiss his suspicions. Luckily, he sees Perrot strangling Bernhardt in the reflection from a passing train and saves the doctor's life. Perrot is shot dead as he tries to flee.