Androcles is a slave who is abused by his master, Pantalone. Androcles is trying to help two young lovers , Isabella and Lelio. In order to make sure that his niece will not run off with her boyfriend, Pantalone hires the Captain to guard her. Androcles outwits the Captain and helps the lovers to elope. In the forest, Androcles encounters the Lion who is limping from a thorn in its paw. Androcles does the good deed of removing the thorn and is rewarded by the Lion's help in escaping his master.