The Adventure of the Speckled Band: Holmes is contacted by a young woman, Helen, who fears her stepfather wishes to kill her. Her sister died two years ago before she could be married. Helen is now about to marry and has been moved into the room her sister died in. Holmes deduces that the women's stepfather sent a venomous snake through an adjoining vent to prevent them from taking the portion of Helen's mother's inheritance that was to be given to the women when they married.

The Adventure of the Red Circle: Holmes is contacted by a landlady who is worried about a strange tenant who never leaves his room and requests things only by written notes. Holmes deduces that the tenant is not the bearded man who originally rented the room. The tenant is the wife of the bearded man who is being hidden from a dangerous criminal.

The Adventure of the Red Circle: Holmes is contacted by a landlady who is worried about a strange tenant who never leaves his room and requests things only by written notes. Holmes deduces that the tenant is not the bearded man who originally rented the room. The tenant is the wife of the bearded man who is being hidden from a dangerous criminal.

The Adventure of the Red Circle: Holmes is contacted by a landlady who is worried about a strange tenant who never leaves his room and requests things only by written notes. Holmes deduces that the tenant is not the bearded man who originally rented the room. The tenant is the wife of the bearded man who is being hidden from a dangerous criminal.

The Adventure of the Copper Beeches: Holmes is contacted by a young woman who has been offered a position as a governess with strange stipulations about how she should appear. Holmes deduces that the governess is unknowingly pretending to be the daughter of the man who hired her. The daughter was locked in the attic because she had been about to elope and take part of her inheritance that her father had previously been allowed.

The Adventure of the Speckled Band: Holmes is contacted by a young woman, Helen, who fears her stepfather wishes to kill her. Her sister died two years ago before she could be married. Helen is now about to marry and has been moved into the room her sister died in. Holmes deduces that the women's stepfather sent a venomous snake through an adjoining vent to prevent them from taking the portion of Helen's mother's inheritance that was to be given to the women when they married.