 Spurned by Ersilla, Argillano vows to betray her, and to gain an accomplice, falsely pledges his love to Tigrinda.On seeing Origille, Orlando blows his cover, but is neatly manoeuvred by Brandimarte into concealing his true identity by pretending to be mad, under the illusion that he is Orlando.Under cover of “madness,” Orlando tells the bizarre story of how Origille betrayed him last time they met.