When Nancy realizes that George is possessed by Tiffany's spirit, she must act quickly to rid her friend of the ghostly passenger before it's too late. A mysterious stranger wanders in to The Claw and asks the gang to cater a charity gala.

After discovering a connection between the poison that killed Tiffany Hudson and a Horseshoe Bay cold case, Nancy and the Drew Crew risk their lives to bring a serial killer to justice.

Nancy and the Drew Crew follow the latest Lucy Sable murder lead, while simultaneously working to uncover the attempted murder of someone in their community. When both investigations lead back to the same person, Nancy and Nick confront the suspect with their findings.