'Hello class, my name is Miss Flack. I am the substitute teacher... So this term i have a project for you. It is in conjunction with my previous school. it will be a pen-pal project. The aim of this is for you to stop using mobiles computers and simply use a pen and paper' these words changed the lives of three boys. Harry Styles, Liam Payne and Zayn Malik start writing to a pupil each at Hall cross, but will it all be smooth sailing? Will they ever meet their mysterious Pen-Pal?