But now Tally has a new worry - her school trip. And that means new places, new people and new challenges.

She quickly falls in with the popular girls and is grateful that they don't make a big deal about her autism, but it's not long before Tally realises that, while the girls are popular, they aren't very kind. With a jolt Tally understands that she's not the only one who's been made to feel like she has to hide her true self.

But will she find the strength to stand up for herself and the people she knows are being treated unfairly, or will she stay quiet? And will Tally ever find her people?