When Nancy learns that Tiffany Hudson's corpse is being moved out of Horseshoe Bay for a private autopsy, she puts her investigation into Lucy Sable's dress on hold to pull off one of her most risky missions yet.

When a nor’easter hits Horseshoe Bay, Ace warns everyone that the storm has been known to blow restless spirits ashore. Meanwhile, Nancy confronts Nick about the secrets he’s been keeping.

As the funeral for Tiffany Hudson nears, her confused spirit seemingly haunts Horseshoe Bay. Nancy invites Bess to stay with her, allowing Nancy to figure out what Bess is hiding. Nick struggles with what he learned about Tiffany.

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.

While trying to uncover the truth about a long-buried history between Lucy Sable and Ryan Hudson, Nancy finds herself in the curious position of having to strike a deal with Horseshoe Bay’s newest and most suspect widower.

The gang resolves to find a way to speak with the only eyewitness to Lucy and Tiffany's murders -- Lucy herself. Nancy is faced with a truth that seems to validate her greatest fear.

Nancy and the Drew Crew discover that the car wreck that left one of their own at death's door was no accident. While simultaneously hoping to solve the crime, the crew investigates the physical evidence of sabotage to the car and take a supernatural detour into the metaphysical world.

In our winter finale, Nancy and the Drew Crew desperately search for George’s missing sister, Ted, whose kidnapping eerily mirrors the investigation that started Nancy’s sleuthing career. Meanwhile, while revisiting the trauma of her past, as a means to solving the present-day mystery, Nancy finally reconnects with her father just as an escalation in the Lucy Sable investigation threatens to separate them forever.

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.