On the evening of Horseshoe Bay's annual Harvest Carnival, a whole new mystery unfolds for Nancy and the Drew Crew when a body is discovered on the Hudson carnival grounds.

Sparks fly between Nancy and her counterpart in law enforcement. Meanwhile, Carson and Ryan have conflicting opinions on parenting Nancy, Nick's and George's relationship is tested, and Bess tries to protect Ace from a string of bad luck.

On the trail of the Frozen Hearts Killer, Nancy and her friends follow a surprising lead from a podcaster at an annual convention for amateur sleuths - where they find themselves unraveling ghostly clues about a homicide from the 1950s.

The crew races to protect everyone in town from a supernatural threat causing terrifying life-threatening sleepwalking experiences. Nancy's unspoken feelings for Ace resurface. George is shaken by an unwelcome friend request.

After a major setback in the Frozen Hearts case, Nancy asks Temperance for help. Meanwhile, the Bobbsey entanglement creates a world of trouble for Ace, and George has a long over due confrontation with someone from her past

The crew goes on a hunt for an underground prison that may hold answers - all while following a lead that could cure George of the paranormal affliction shortening her lifespan. Ace tries to enlist Amanda in bringing her father to justice.

While Nancy and her friends race to find a relic that could finally untangle George's soul from Odette Lamar's, Carson and Ryan are affected by a mystical substance that prompts a temporary return to the lowered inhibitions of adolescence.

Nancy, Bess, Agent Park and Temperance have to join forces when an attempt to trap a killer ends up unintentionally unleashing a deadly supernatural entity that feeds on people's sorrows.

Nick, George and Bess unravel the truth behind a college student's mysterious death, while unexpected obstacles prevent Ace from working with Nancy and Agent Park as they grow closer and investigate the hidden origin of the FHK.

A truth-inducing ritual takes hold of a town-wide cocktail party, yielding volcanic emotional confessions and a surprising romantic connection for Nancy.

The fate of Horseshoe Bay rests in the hands of the Drew Crew, who must find a way to defeat their most powerful nemesis yet. Lives and hearts are in supernatural jeopardy - and a star-crossed choice will change everything, forever.