Bo Martynowska

Niagara Falls is the backdrop as the Bumblers, Maddie, Max, Sally, and Sofia try to stay one step ahead of the Doctor in an attempt to ensure their freedom and make the score of a lifetime.

After a major setback in the Frozen Hearts case, Nancy asks Temperance for help with an occult approach to getting answers from a murder suspect; the Bobbsey entanglement creates a world of trouble for Ace; George confronts someone from her past.

The body of a mysterious young man is discovered on the Hudson carnival grounds; the friends are drawn into the case by a host of confounding clues surrounding a new menace terrorizing the town.

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.