Paul Temple and the Vandyke Affair (Scripts of the eight part radio serial)

A baby and her baby-sitter have disappeared, and the only clue is a note reading "A Mr Vandyke telephoned. He left no message." In seeking to identify Vandyke, Temple must unravel the significance of a doll, the murder of a man impersonating a police officer, the safe return of the baby, and several other murders.