Charlie is a loner, his brother David died when he was three.
He is finding it difficult to deal with lessons, timetables. his body is changing, he is getting mood swings and he is also getting an interest in music and girls.
A new girl starts school called Marta. The new girl is very shy and misses her old school and friends. She relies on Charlie to lean on.
Charlie has an imaginary friend called Jave. Charlie can tell Jave anything; they play together & learn together. Jave is the only person who really understands Charlie.