As if a psycho killer on the loose isn't bad enough, the Temple of Truth is crawling with evil menace...literally! Barnaby and Erv discover a secret passage and the team spreads out and find several more. Thinking this could be the answer to the mysterious break-ins that resulted in the death of two guards and a slinn prisoner; the investigators follow the dark narrow passages in the hope of confronting their spies. But the walls have Ears, thousands of them, and when the Eyes look within, they find a foe they can definitely do without! Kabal's Vanas, guest stars.