Nancy and the Drew Crew race against the clock to find a way to destroy the Aglaeca before she can destroy them. Ace reaches out to Carson for a favor.

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.

Nancy is approached by a group of young girls asking for help in finding a volleyball teammate they believe was kidnapped by a ghost. Meanwhile, Ace and Amanda share a moment.

Nancy picks up a new investigating job involving the local florist and is pleasantly surprised when Gil Bobbsey is able to offer some assistance. Meanwhile, Ace receives a cryptic text message.

Gil insists on helping Nancy investigate a hunch on Moonstone Island, but Ace and Amanda are forced to step in when he is unable to be there for her. Meanwhile, Nick begins questioning Nancy's loyalty. Lastly, Odette is getting on George's last nerve.

Nancy's birthday dinner with Carson is cut short when Detective Tamura shows up with a warrant to arrest her for contempt of court. Meanwhile, George, Bess and Ace work together to summon up one of their ancestors to help locate Odette's Englishwoman lover Mary's soul amongst billions in the spirit world.

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