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 Landing commute service started two days later. The ex-quarry-property also spawned the Larkspur Landing Shopping Center, with adjacent apartments and Sonoma–Marin Area Rail Transit, a rail system similar to Caltrain and intended to ease traffic gridlock along Highway 101, will terminate at a newly built train station of the same name near the ferry terminal. It will serve as an intermodal station, where passengers can transfer to San Francisco-bound Director Don Siegel filmed the final scenes of the 1971 movie "Dirty Harry" on the area of Larkspur Landing and at the adjacent East Sir Francis Drake Boulevard. After hijacking a school