Doctor Gannon races against time to confirm a diagnosis which presents a threat to public health, but the patient is uncooperative and won't reveal any information about where she might have contracted her illness.
A woman committed to a sanitarium is injured, leading to a diagnosis which might allow Doctor Gannon to restore her mental health, but her recovery might reveal a secret.
Doctor Gannon attempts to cure a female artist who has been confined to a wheelchair since an accident in her teens, but her dreams point to a darker truth.
A sex offender is stabbed in prison and while he's being treated by Doctor Gannon, his wife tries to get him to take an experimental drug which would reduce his sexual urges.