She's the Man is about Viola Hastings, a girl whose passion is soccer. The Girls' Soccer Program gets cancelled at her school. She then tries out for the guys' team, but they tell her that girls aren't good enough. So when Viola finds out that her fraternal twin brother, Sebastian is sneaking off to London for a music tour instead of going to Illyria School, Viola decides that she can take his place, and pretend to be him, to be able to try out for their soccer program. After a makeover and help from her friends, she gets to Illyria, but then finds that she likes her room mate, Duke. Things get messy when a girl who Duke likes falls for Sebastian, who is Viola in disguise. When Sebastian arrives home from London early, things start to fall to pieces.