A Glass Tear

Exploration Stage: Enchanted Ball
From: Detective
Description: What should I believe? My eyes, or the iron logic of a detective? Are these living people or just statues that seem alive? Look! Something flashed next to one of them and fell onto the floor.
Completed: Just look at that. It's a tear! But it's made of glass! What magic is happeneing in thie place? Martha has to help us this time!