The heat is turned way up on the group as the government is closing in on Nick and Anna, and threatening to shut them down once and for all! Nick is captured, and now it is up to Anastasia and the girls to prove his innocence! Meanwhile, Verne and Secret Skull discover the true identity of the culprit who stole Edgar Allan Poe's skull and just what his mad plan was! Mystery and the macabre collide in this thrilling conclusion!