Though the two-year-old survives the brutal attack by his drunken father, his older sister Kaitlyn is convinced it's all her fault. Christopher is taken into care and never returns to the on the notorious Roxford estate in South London. But the bond between the siblings remains strong, and as Kaitlyn gets older she dreams of a new life away from the violence of the estate and her mother's dangerous addictions. But most of all, she dreams of being reunited with her little brother. Will Kaitlyn's dreams ever come true? And if they do, could they really turn into a nightmare? Kaitlyn is the heart-rending story of a family ripped apart by tragedy and reunited by a twist of fate that threatens to destroy all their lives - and of a girl who has to choose between everything she has worked for, and the only family she has ever known.