After graduating from high school, Nancy Drew, then eighteen, intends to move away from her hometown and attend college. Instead, she becomes sucked into a paranormal murder case.
Nancy undertakes one of her riskiest missions to date when she pauses her inquiry into Lucy Sable's garment to learn that Tiffany Hudson's corpse is being taken out of Horseshoe Bay for a private autopsy.
Ace alerts everyone to the possibility of restless spirits being blown ashore during a nor'easter that is expected to reach Horseshoe Bay. Nick is confronted by Nancy over the secrets he has been holding.
Tiffany Hudson's bewildered spirit appears to haunt Horseshoe Bay as her burial draws closer. To discover what Bess is hiding, Nancy extends an invitation to Bess to stay with her.
Nancy has to take swift action to get rid of George's ghostly passenger as soon as she discovers Tiffany's spirit is possessing him.
Nancy discovers she must make a deal with the most recent and dubious widower in Horseshoe Bay while attempting to unearth the truth about a long-forgotten past involving Lucy Sable and Ryan Hudson.
The Drew Crew decides to make contact with the dead Lucy, the only person who saw Lucy and Tiffany being killed. Nancy is confronted with information that appears to confirm her worst nightmare.
It turns out that the car crash that nearly claimed one of Nancy and the Drew Crew's lives wasn't an accident. The team takes a paranormal detour into the spiritual realm while looking into the tangible proof of the car's sabotage.
After a harrowing hunt for George's missing sister, whose kidnapping strangely echoes the investigation that launched Nancy's investigative career, Nancy and the Drew Crew manage to reunite with her father.
Nancy and her pals decide to put their lives on the line to catch a serial killer after learning of a link between the poison that murdered Tiffany Hudson and a cold case in Horseshoe Bay.
Nancy will have to make the difficult decision of how far she is ready to go to free her dad from prison as her mission to clear Carson's name collides with Owen's pursuit of justice for the Bonny Scot victims.
Nancy and the team investigate who attempted to kill Ryan in addition to following up on the most recent Lucy Sable lead, which guides them to a shocking discovery.
The Drew Crew scrambles to find a way to rescue Nancy when she gets trapped in an alternate universe.
While investigating the most recent lead on the murder of Lucy Sable, Nancy and the Drew Crew try to unearth a murder attempt that targeted a person from their neighborhood.
As Carson's evidentiary hearing draws near, Nancy resorts to paranormal sources in a desperate attempt to uncover information that will clear her father's name.
Nancy pieces together Lucy's final hours through a combination of expert observation, forensic evidence, and persistent interrogation of people who knew her. Eventually, her detective effort uncovers a terrible truth.
The Drew Crew is running out of time to figure out how to defeat the Agleaca before she claims what is rightfully hers.
In the process of looking into a strange death, Nancy and the Drew Crew learn new information about the Aglaeca curse.