With only hours left, the Drew Crew must race against the clock to find a way to vanquish the Agleaca before she takes what is owed to her.

Tensions flare between Nancy and the Drew Crew as they continue to fight the Aglaeca. Bess makes a mistake that could cause all of them their lives. George has a beautiful bonding moment with her sisters.

Nancy and the Drew Crew learn that they have a new battle on their hands. George's strange behavior leaves Nick feeling unsettled. Carson makes Nancy an offer she can't refuse.

On the evening of Horseshoe Bay’s annual Harvest Carnival, the body of a mysterious young man is discovered on the Hudson carnival grounds. The Drew Crew is drawn into the case by a host of confounding clues surrounding a new menace terrorizing the town – a killer who has an enigmatic connection to none other than Nancy’s newest foil: Temperance Hudson.

As the gang investigates the Frozen Heart murders, sparks fly between Nancy and her counterpart in law enforcement on Nancy's first day as the community liaison. Temperance makes a startling offer at the police station.

Nancy searches for a missing person targeted by Temperance, who has also placed a fatal hex on the kids of the Youth Center. With the solution to the Frozen Hearts mystery almost in their grasp, a shocking reversal puts the Drew Crew in the crosshairs.

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.

Ryan shows up just in the nick of time to help Nancy. Meanwhile, Nick is thrown by a statement George makes. Lastly, Bess is left feeling concerned after speaking with Ace.