While using a combination of forensic clues, skilled observation and relentless questioning of those who knew Lucy at the end of her life, Nancy unravels what happened the night Lucy died. While her detective work succeeds in some ways, it also reveals a devasting truth.

Nancy and her friends realize they need to come up with a plan to stop the Aglaeca before it's too late; Detective Tamura shows up at The Claw to bring Nancy in for questioning in a mysterious comatose girl's assault.

Nancy and the Drew Crew continue to search for clues to battle the Aglaeca. George has an unfortunate first encounter with Nick's visiting mother. Carson and Ace have a heart-to-heart.

With time running out, Nancy and her friends come up with a plan that they think might help reverse the curse that the Aglaeca placed on them.

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 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.

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.

Nancy finally has Everett exactly where she wants him. Meanwhile, Nick receives upsetting news from one of his tenants, Jake Cazine, about the youth center he wants to open. Lastly, Carson shares something disturbing with Bess.