So many lies

Lexy was always an average student she wasn't a nerd and she wasn't stupid she was just right. She had the best insults and had a great sense of humour.
She gets a text from a wrong number, she Doesn't know who it is.
She finds out big things along the way and it slowly drains all her happiness what has that wrong number got to do with all of this?
{I changed the title because it didn't fit with the flow of the story}