When a young mapmaker named Elian discovers an uncharted island on the edge of the known world, he sets sail to complete the greatest map ever made. But what begins as a voyage of curiosity turns into a quest for truth as he finds evidence of a civilization that vanished without a trace. With storms, rival explorers, and a secret buried in the tides, Elian must decide whether to finish his map; or protect the mystery that could change his world forever.