Malvolio is a steward in Twelfth Night who is tricked into thinking that Olivia, his employer, has written him a love letter. This practical joke is orchestrated by Maria and others who want revenge on Malvolio. As a result of the trick, Malvolio believes Olivia loves him and acts strangely, which leads to him being imprisoned. The play is a comedy that takes place in Illyria and involves a love triangle between Viola, Orsino, and Olivia, complicated by Viola disguising herself as a man.