Trust and Treason - Archibald the Grim Series, #2

Since the Scots' horrific loss at the Battle of Neville's Cross, the powerful English hungrily eye Scotland. Archibald Douglas, a landless bastard and knight, will defend the kingdom until his last breath and with his life's blood. But in this fight, who can he trust? And who is the traitor? It may not be whom he once thought.