Having settled this affair entirely to his satisfaction, Sir Calidore rides on until he meets a youth on foot, bravely fighting a knight on horseback, while a lady anxiously watches the outcome of the fray. Just as Calidore rides up, the youth strikes down his opponent, a deed of violence justified by the maiden, who explains how the man on horseback was ill treating her when the youth came to her rescue. Charmed by the courage displayed by an unarmed man, Sir Calidore proposes to take the youth as his squire, and learns he is Tristram of Lyonnesse, son of a king, and in quest of adventures.
Accompanied by this squire, who now wears the armor of the slain knight, Sir Calidore journeys on, until he sees a knight sorely wounded by the very man his new squire slew. They two convey this wounded man to a neighboring castle, thereby earning the gratitude of his companion, a lady mourning over his unconscious form.
The castle-owner, father of the distinguished wounded man, is so grateful to his rescuers that he receives them with kindness. But he cannot account for the presence of the lady who explains his son loved her and often met her in the forest. After nursing her lover until he is out of danger, Priscilla expresses a desire to return home, but is at a loss how to account to her parents for her prolonged absence. Sir Calidore, who volunteers to escort her, then suggests that he bear to her father the head of the knight whom Tristram slew, stating this villain was carrying her off when he rescued her. This tale so completely blinds Priscilla’s father that he joyfully welcomes his daughter home, expressing great gratitude to her deliverers ere they pass on.
Calidore and his squire have not journeyed far before they perceive a knight and his lady sporting in the shade. So joyful and innocent do they seem that the travellers gladly join them, and, while the men converse together, Lady Serena strays out into a neighboring field to gather flowers. While she is thus occupied the Blatant Beast pounces upon her, and is about to bear her away when her cries startle her companions. They immediately dart to her rescue. Calidore, arriving first, forces the animal to drop poor Serena, then, knowing her husband will attend to her, continues to pursue the fleeing monster.