Sara Morin, a computational biologist, uncovers a stunning secret hidden within our DNA that could rewrite human history. Her findings, once published, spark a controversy that puts her life in danger. Chased by a relentless assassin, Sara joins forces with journalist Marcus Byron to crisscross Europe in search of answers. From historic Cathar castles to idyllic Aegean islands, their journey is fraught with peril. As they delve deeper into the enigma of the genome sequences, Sara is hunted by powerful entities determined to silence her. The stakes are high; if she fails to unravel the mystery in time, her life is forfeit, and a profound truth about human evolution could be lost forever.