<P> The plot is set in a fictional history of real world events and follows the centuries - old struggle between the Assassins , who fight for peace with free will , and the Templars , who desire peace through control . The framing story is set in the 21st century and describes the player as an Abstergo agent . The main story is set in the 18th century Caribbean during the Golden Age of Piracy , and follows notorious Welsh pirate Edward Kenway , grandfather and father of Assassin 's Creed III protagonist and antagonist Ratonhnhaké : ton and Haytham Kenway respectively , who stumbles upon the Assassin / Templar conflict . The attempted establishment of a Republic of Pirates utopia ( free from either British or Spanish rule ) is a significant plot element . </P>
who are you in assassin 's creed 4
an Abstergo agent