Final answer:
Victor Frankenstein is filled with guilt and emotional turmoil after the death of his brother William, which leads to a tense and falsely calm atmosphere in the Frankenstein household.
Step-by-step explanation:
Victor is tormented by the false calm that descends upon the Frankenstein household following the death of William, his youngest brother. This event in Mary Shelley's Frankenstein marks a pivotal moment in the novel as it leads to a deep sense of guilt and a series of tragic consequences, including the wrongful accusation and execution of Justine, a friend of the family. Victor's emotional turmoil and the impact of William's death on the Frankenstein household are central themes that underscore the novel's exploration of loss, responsibility, and the consequences of one's actions.