Twelfth Night is a Shakespearean comedy exploring love, mistaken identity, and the suspension of social order. It features a shipwreck that leads to the twins Viola and Sebastian's separation, with Viola disguising herself as a man and entering the service of Duke Orsino. Orsino is infatuated with Lady Olivia, who is in mourning, and sends Viola, disguised as Cesario, to woo her. Olivia falls in love with Cesario, creating a complex web of romantic entanglements and mistaken identities.