"Twins Viola and Sebastian are shipwrecked. Believing her brother drowned, and determined to survive alone, Viola disguises herself as a boy. As 'Cesario' she enters the service of Orsino and is sent by him to woo Olivia." But Olivia isn't interested and 'Cesario' is swept into a merry-go-round world of unrequited love, mistaken identities, high comedy, low tricks and desperate passion