Famous visitors have both Nancy and Bess excited--Nancy about astronomer/radio personality Dr. Stars, and Bess about Hollywood heartthrob Will Ryder. But anticipation turns to investigation when Nancy discovers her hero's deserted van and one of his rivals appears in town.
Nancy joins an Elizabethan troupe as a lady to the queen's court. There are performances and feasts, but the true drama unfolds when Nancy learns that she, the queen, and the entire festival have been targeted for sabotage.
As the annual snow festival approaches, Nancy, George, and Bess look for the sneaky suspect sabotaging the swan they are building for the snow sculpture contest.
Nancy wonders if her friend Charlie could be the culprit in a "snake-napping" from a zoo when circumstantial evidence mounts against him; and George's younger brother, Scott, begins acting strangely and refuses to explain what is wrong.
Nancy Drew, vacationing in Paris, becomes involved in the investigation of vandalism in the building where she is staying and the theft of puppets from an in-house theater.
Charles Pierce has asked his housekeeper, Nila, to marry him, but his family opposes the marriage. When Nila's life is threatened, Nancy Drew finds there is a whole family of potential suspects.
Nancy and Ned travel to Washington for a week of skiing but spend their vacation solving a mystery that takes Nancy to the top of rugged Mount Rainier.