Mr. Shaw suffers a severe flare-up of his mysterious illness when his suppressing bracelet breaks during the full moon. His condition worsens rapidly, causing him to lose control and threaten anyone who approaches. Mrs. Shaw recalls that the cure lies with a specific person next door, who Mr. Shaw once saved twice. Despite warnings about the danger, she decides to seek out this person, believing she must save Mr. Shaw before his illness consumes him completely. The episode ends with Mrs. Shaw preparing to face the unknown in a desperate bid to help him.