Eight-year-old Nancy Drew is thrilled to be invited to Deirdre's City Girls-themed sleepover party, but her investigative skills are needed when Deirdre's Hollywood Heather doll goes missing.
When strange accidents start occurring at the local pioneer village, Nancy, Bess, and George go undercover to determine if the village is really haunted by the Lantern Lady, or if the accidents have a more deadly cause.
Nancy, helping out with a "chemystery" camp, a special forensics program for high school students, finds herself with a real mystery to solve when the professor who runs the camp suddenly falls into an unexplained coma.
