An Englishwoman is found dead in a house near Rome, her neck broken. Her distraught husband enlists the help of his closest friend, policeman Chris Bronson, who discovers an ancient inscription on a slab of stone above their fireplace. It translates as 'Here Lie the Liars.' Pursued across Europe, Bronson and his ex-wife uncover a trail of clues that lead them back to the shadowy beginnings of Christianity; to an ancient code inscribed upon a stone; to a chalice decorated with mysterious symbols. And to a deadly conspiracy which will rock the foundations of our modern world if revealed.