Resuming their original mission- that of finding Prof. Samuel’s missing Time Machine- Alex and company participate in a ghost hunt, where they provide most of the paranormal activity. How much will the Empress allow her fellow ‘poltergeists’ to enjoy the ‘witching hour’? How much will their newest sister, Akane, influence the mission? Later, Alex and Jack attend Prof. Samuels’ theoretical science lecture masquerading as her keynote speakers.