Tainted - Christina Phillips

A dangerous love Rome will never allow... 

Driven by the knowledge he failed to protect his king, Druid warrior Gawain abandons his gods and vows to destroy the Roman invaders by any means possible.

Nothing and no one is more important than protecting his fellow Druids from the enemy until he meets the beautiful Roman patrician, Antonia. She is everything he's never wanted in a woman, yet she fascinates him like no other. Despite the danger of discovery he embarks on an illicit liaison with her, determined to uncover the reason for the infinite sorrow that haunts her eyes.

Newly arrived in Britannia from Rome, Antonia is inexplicably drawn to the cold, tough Celt. His touch stirs a passion she long thought died at the hands of her brutal former husband and his unexpected tenderness thaws her frozen heart.

But she hides a deadly secret that could be her undoing, and knows her growing feelings for him can lead nowhere. Yet when a shadow from her past threatens her future Antonia is torn between the Empire of her birth and betraying Gawain, the man she's grown to love.