But when Joey's new foster brother, Paul, turns up, everything changes. First Joey falls for Hannah's brother, Kit. Then Paul complicates things - with some kittens, a chocolate bar and a stripy pink bicycle.

Hannah's world is turning upside down. Can you rescue a friendship when it's drowning? Can you save a friend in trouble - if they don't want to be saved? Can Hannah stop her friends from drifting apart? 'Touching, tender and unforgettable' - Guardian'Cassidy's characters have real heart' - Sunday Telegraph