Jackson is aggressive, confrontational and often volatile. His mother, Kayla, is crippled with grief after tragically losing her husband and eldest son. Struggling to cope, she puts Jackson into foster care. Cathy, his carer, encourages Jackson to talk about what has happened to his family, but he just won’t engage. His actions continue to test and worry everyone. Then, in a dramatic turn of events, the true reason for Jackson’s behaviour comes to light....

Eight-year-old Leila Smith has seen and heard things that no child should ever have to. On the Hawthorn Estate, where she lives, she often stays out in the playground long after the other children have left, just so she can avoid her own home for longer. But what Leila doesn't know is that someone has been watching her. One day, she disappears without a trace. The police search start a nationwide search, but it's as if Leila has vanished into thin air. Who kidnapped her? What do they want? Will she return home safe and sound, or is she lost forever?

Three-year-old Lexie, five-year-old Amelie and thirteen-year-old Leo come to Maggie after Leo confesses to a teacher that his mother's addiction problems and her latest violent relationship has left him as the sole carer to his younger sisters. Maggie welcomes the three children into her home and is touched by the gentle care Leo shows to the two little girls. It is clear that Lexie and Amelie adore their big brother and rely on him for comfort and reassurance.

Just when Casey thinks her foster care duties are done, she’s asked to look after Sam, a troubled nine-year-old with a violent streak who drove his previous guardians to release him of their care. It soon unfolds, however, that this is no simple case. Determined to get to the root of Sam’s behaviour, Casey is committed to uncover his mysterious past only to find out something far darker than she ever imagined.

Casey Watson is back, doing the job she does best - rolling up her sleeves and fostering the children who, on first meeting, seem like hopeless cases. But when she meets Miller and discovers the truth about his disturbing childhood, even Casey begins to doubt if this child will ever be able to accept love. Found naked and alone on a railway track, Miller was just five when he was first admitted into the care system.