summary of "The allergory of the cave"

     The passage "The allegory of the cave" is mainly about a man named Socrates telling a story  to his friend Glaucon about people who live in a cave. The people who live in this cave are chained facing the back of the cave so they are unable to see the opening of the cave and have been that way since birth. All that the people of the cave know is shadows if anything different will be a lie to them .The question was asked what if one of them was let free and was able to leave the cave into the open ? Everything besides the cave will be knew to that person who spent their whole life in that cave , that if they where to go back to the cave and tell the other people who have been there since birth will look at them as if their crazy or sick and will have them questioning is this what will happened to me if i where to leave the cave as well?