 A truce between supporters of the King and supporters of the Queen expired on 1 April 1571.That evening, Crawford set out from Glasgow with Robertson and a company of men.He had sent a small advance group of horsemen ahead of him to stop all wayfarers (who might betray the mission), and he made his way to an agreed meeting place within a mile of the castle, (Dumbuck) where he was joined by Drumquhassle and Captain Hume.