The story of Twelfth Night starts with Viola and half of the ship's crew surviving a shipwreck and being stranded in a foreign country called Illyria. Viola shall conceal her identity and seek for a job and serve the Duke.
Malvolio then strolls around the garden day-dreaming about being married to Olivia. Sir Toby, Sir Andrew, Maria, and Fabian wait for Malvolio to find their forged letter. As Malvolio finds and reads the forged letter, he is then convinced that Olivia truly does love him.