Meredith Sinclair, a brilliant social beauty who knows no equal in conquering men, is a secret agent of the British crown. She is tasked with finding out everything about Tristan Archer, the Marquis of Carmichael, who is suspected of high treason. The Marquis once saved her life, and since then she cannot forget him. Will the noble hero of her girlish dreams turn out to be a traitor? Meredith is ready to do anything to prove Tristan's innocence and... awaken the flame of reciprocal passion in him.