The episode explores the Allegory of the Cave from Plato's Republic, questioning the nature of reality and perception.
What if everything you think is "Real" is just a shadow cast on a wall by someone else? In Book VII of The Republic, Socrates gives us the most famous and most terrifying image in the history of philosophy: The Allegory of the Cave. He describes a group of prisoners chained in a dark cave since childhood. They can’t move their heads. All they can see is the wall in front of them. Behind them is a fire. And between the fire and the prisoners, there are "Puppeteers" holding up statues of people...