Carson, Ryan and the Drew Crew work together to help Nancy.

Sleepwalking suddenly spikes in town and Nancy questions whether Frozen Heart murders has been solved.

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. Meanwhile, Ace and Ryan discover a haunting at the Historical Society, and George meets a friend from Nick’s past who may have secrets of her own.