What does Madame Schachter see on the journey and how do her cries affect her son and fellow prisoners in Night?

Madame Schachter sees a vision of fire and flames while on the journey to the concentration camp, which represents the horrors awaiting them. Her cries of terror and anguish increase the fear and uncertainty among the other prisoners, creating a sense of dread and hopelessness. Her son tries to calm her but ultimately becomes a victim of her suffering as well.