As We First Meet Pericles A Riddle Thrusts Him Onto The Horns Of A Dilemma. He Knows The Answer To The Riddle King Antiochus Has Presented To Him As A Prerequisite To Winning The Hand Of His Daughter . The Problem Is If He Fails To Offer The Solution, He Will Be Put To Death. But By Exposing It He Will Reveal The King's Incestuous Relationship With The Daughter.