Nancy launches a new investigation to find a group of missing bodies from Horseshoe Bay's cemetery that have been dug up and stolen - or have possibly risen. As Nancy is drawn into this ghostly case, a string of unexplained paranormal crimes leads the Drew Crew to believe that the literal sins of the town's past have returned to haunt the living. Meanwhile, Nancy struggles with yearning for Ace, the man she loves. But when a slow-burning attraction begins between Nancy and the son of Ryan Hudson's newest enemy, Nancy must decide whether this love interest is worth the ire of both her father and Ace - whose own heart may be tempted by a new relationship too.

The Drew Crew discovers a clue in an unexpected place and call in someone from George's past to help find answers.

Nancy and the Drew Crew prepare to battle a Sin Eater.

Carson and Ryan work together to help Nancy.

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.