Prince Louie, Catherines Son is the final episode of the Devils Cave trilogy. Catherines marriage to Charles had failed to unite France and England. Upon Edwards death, his arrogant son, Henry, charged that the neighboring regime across the channel usurped its power by proclaiming rightful ownership to colonies in the Caribbean, which had first been discovered by English explorers. Aside from this, Prince Louie, who was about to succeed Charles as King, had to resolve an impending issue that, if it were proven to be true, would morally disqualify him of being the legitimate heir to the throne of France. It plagued his conscience when he overheard during a dispute between Charles and a strangers voicehed been fathered outside of wedlock by Jacques Lafitte who desperately sought to fulfill Catherines wishes that Louie would one day be Frances most noble and proud ruler.