Viola and her twin brother Sebastian are separated after a shipwreck on the coast of Illyria, and each believes the other drowned. Viola disguises herself as a male page named Cesario and enters the service of the duke Orsino. Orsino sends Cesario to court the reclusive lady Olivia on his behalf, and various mistaken identities and infatuations result.—Lainey <[email protected]>