The relationship between Francesca Cahill and Calder Hart developed uneasy, and yet the lovers managed to cope with adversity. They are ready to celebrate the wedding as soon as possible, but the bride’s father is categorically against their marriage, believing that the scandalous red tape in society will ruin the fate of his daughter. However, Francesca is not lacking in determination and perseverance - she is a brave detective, who has many solved crimes, and it is not in her character to give in to her father’s dictates. She is ready to leave her father's home on respectable Fifth Avenue in protest when she receives a note asking her to urgently come to the house of her groom's former mistress. Arriving at the scene, she is horrified to discover the bloody body of her rival. Calder is the first to come under police suspicion. But Francesca is confident in his innocence and does everything to find the true killer, although she discovers a secret that could destroy their future together. Translation: K. Bugaeva