AN ANCIENT MYSTERY KEPT HIDDEN FOR CENTURIES. UNTIL NOW.Can the fortune of a 14th-century Bishop and secrets hidden in the vaults of the Vatican lead to the location of a fabled lost city? Join Quinn and Ted as they are thrust into another archaeological adventure to uncover one of the greatest secrets of human history.Less than two years after their traumatic first encounter with the shadow organisation known as Sigma, Quinn and Ted become entangled in their web of manipulation once more.Tasked with recovering a lost treasure once sought by Pope Innocent VI and stolen by 14th-century pirates, the recurrence of a strange symbol points to the possible existence of the lost city of Atlantis. As past and present collide, the hunt for the truth becomes more sinister when paths cross with a mysterious cult.With their lives hanging in the balance, Quinn and Ted become pawns in a battle between ancient rites and modern ambitions. Deciphering cryptic clues with the help of newfound allies, they must navigate a perilous journey from shipwrecks to the depths of the Vatican's hidden vaults in a race against time to uncover the truth and escape with their lives.The Atlantis Idol is the exciting second instalment in the Sigma Files archaeological thriller series.