Antonio and Sebastian talk. Sebastian is leaving, and Antonio asks him to stay or allow him to come with. Sebastian protests that he must go on his voyage alone, and will not say where he is going.
He explains that when Antonio rescued him from a shipwreck, his sister (Viola) drowned. Sebastian praises his sister: she was said to look just like him, and was very intelligent. He says he is going to Orsino's court, and after he leaves, Antonio says to himself that if he did not have enemies there, he would follow him. Then he decides his love is so strong that he will follow Sebastian anyway.
