A Knight of Silence (Knight Series #1)
Candace C. Bowen

Baron Fulke of Erlegh has a tragic past. Throwing himself into a life of battle and debauchery, Fulke is removed from the field and commanded to take a bride.
King Henry I. is a changed man since losing his only son and heir in the White Ship sinking. Intent to name his only daughter, Matilda, the first Queen of England, he seeks advantage over powerful opposition. Discovering Reina's unique ability to lip-read, Henry separates the two lovers and coerces Reina to spy for the crown under threat of harm to Fulke.
In a battle between love and loyalty, Fulke and his courageous band of knights enact a plan that will free Reina from the king's grip or cause all of them to be executed for treason in... A Knight of Silence.