The Password to Larkspur Lane delphiniums when a mysterious carrier pigeon lands in her yard. Nancy contacts the registry for the carrier pigeon. Meanwhile, housekeeper Hannah Gruen takes a fall and must be treated at the local orthopedist's office. Her attending physician, Dr. Spires, confides to Carson Drew and Nancy that he was forced to tend an elderly woman for her shoulder under peculiar circumstances: the driver of a car blindfolded him when they drove him there, so he wouldn't be able to guess her location, but the doctor believes their destination might have been someplace called Larkspur Lane. Events led him to believe the
Larkspur (horse) Curragh on his reappearance. In May however, he was moved up in distance and earned his place in the Derby field by winning the Wills Gold Flake Stakes over one and a half miles at Leopardstown. The runner-up, Sicilian Prince, went on to win the Prix Royal Oak. Larkspur suffered a setback in his training shortly afterwards and his participation in the Derby was only confirmed a few days before the race. At Epsom, in front of a crowd estimated at 400,000, Larkspur was sent off a 22/1 outsider in a field of twenty-six, being perceived as O’Brien’s second string.