Lucie feels like her world is falling apart; her mother has just died of cancer and she is facing the most difficult time of her life. Lucie's whole family is a mess: her sister Chloe is totally obsessed with boys, her younger brother Hugo keeps having nightmares about zombies and her dad has gone into a frenzy trying to keep everyone on a tight schedule. As she tries to cope with her grief, Lucie starts to write letters to her mum ...