Exposition A ship crashes and a girl called Viola finds herself in a seashore . She dresses like a boy to get a job and ends up falling in love with another person called Orsino who is a duke.
Conflict Viola dresses up like a boy and Duke Orsino sends Viola (re named as Sizarius ) to Olivia to say that Orsino loves her but instead Olivia falls in love with Sizarius.
Rising action Olivia finds violas twin brother Sebastian who looks exactly like viola and Olivia thinks that Sebastian is Sizarius so Olivia asks if they could get married. Sebastian thinks that Olivia looks beautiful so they agreed to marry.
Climax Orsino and Sizario come to meet Olivia but when Olivia says "come here husband" Orsino gets angry and wants to know what is going on while Viola is still confused.
Falling Action After that, Sebastian walked up and everyone gets confused while Viola is really happy ad she unties her hair shows her real identity and Orsino falls in love with Viola.
Resolution Both the couples have a double marriage and live happily ever after.