"Twelfth Night" by William Shakespeare is a romantic comedy written around 1601–1602. After a shipwreck separates twins Viola and Sebastian, Viola disguises herself as a young man named Cesario and enters the service of Duke Orsino. A tangled love triangle emerges when Orsino loves the mourning Countess Olivia, Olivia falls for "Cesario," and Viola loves Orsino. Meanwhile, a comic subplot unfolds as conspirators trick Olivia's pompous steward Malvolio into believing his mistress loves him, leading to chaos and confusion. (This is an automatically generated summary.)