Hermia and Lysander have eloped and were walking through the woods, and they were looking for a place to sleep. Hermia had urged Lysander to lay farther from her in the cause of human modesty.
Meanwhile, Puck was searching for the man and the woman in the Athenian robes, but he ad found none, until he saw Lysander. He assumed that this the man that hated the maiden that Master Oberon had told him about. He anoints Lysander's eyelids