About the book: 1951 / A young, but not very attractive in appearance, professional nurse pays a visit to a famous lawyer and informs him that the current employer, whose wife she is courting, intends to poison his unfortunate wife. The latter, who has her own very significant fortune (many times greater than that of her husband), became crippled during a recent car accident, allegedly arranged by her villainous husband. The nurse contacted the police with her suspicions, but Mason's longtime acquaintance, Sergeant Halcombe, ridiculed the story told to him...