In which the beleaguered defenders of Tillietudlem Tower prepare anxiously for an impending assault by the Covenanters, exchanging stern words and uneasy glances as a flag of truce brings a summons and a sincere yet defiant letter from the enemy’s youthful leader. The fierce engagement unfolds with desperate skirmishes on the rugged approach, including a narrowly foiled surprise entry through a pantry window, leaving both parties wearied and the garrison burdened with the grave prospect of siege and scarce provisions.