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.

The Watsons are no strangers to sibling placements, but when Casey takes the call from her supervising social worker one frosty January morning, she can instantly tell from the tone of her colleague’s voice that there’s a complicated case ahead. And she’s right. A four-day-old baby boy called Tommy - born in prison - plus his four-year-old half-brother, the lively Seth. A month later, the very moment she gets out of prison, the boys’ mother - a 19-year-old called Jenna - also follows.

It's the night before Christmas when Casey and Mike get the call. A 12-year-old girl, stuck between a rock and a hard place. Her father is on a ventilator, fighting for his life, while her mother is currently on remand in prison. Despite claiming she attacked him in self-defence, she's been charged with his attempted murder. The girl is called Bella, and she's refusing to say anything. The trouble is that she is also the only witness....

Angie, 6, and sister Polly, 4, are utterly distraught when they arrive to stay with foster carer Cathy Glass. Their older half-sister Ashleigh has accused their father of rape, and the two young sisters have been removed from home to keep them safe. Cathy tries to comfort the girls, but they are inconsolable. They just want their mummy and daddy, who they love dearly. The girls appear to have been well looked after, but as they settle and start to talk of life at home, it becomes clear something is badly wrong.

Rita and Rosie Stevens are only nine and five years old when their widowed mother marries a violent bully called Jimmy Randall and has a baby boy by him. Under pressure from her new husband, she is persuaded to send the girls to an orphanage, not knowing that the papers she has signed will entitle them to do what they like with the children. And it is not long before the powers that be decide to send a consignment of orphans to their sister institution in Australia. Among them - without their family's consent or knowledge - are Rita and Rosie.

Cathy Glass, international best-selling author, tells the shocking story of Zeena, a young Asian girl desperate to escape from her family. When 14-year-old Zeena begs to be taken into care with a non-Asian family, she is clearly petrified. But of what?Placed in the home of experienced foster carer Cathy and her family, Zeena gradually settles into her new life, but misses her little brothers and sisters terribly.

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....

Beth is a sweet-natured child who appears to have been well looked after. But it isn't long before Cathy begins to have concerns that the relationship between Beth and her father is not as it should be. Little Beth, aged 7, has been brought up by her father Derek after her mother left when she was a toddler. When Derek is suddenly admitted to hospital with psychiatric problems, Beth is taken into care and arrives at Cathy's.

Oskar's school teacher raises the alarm. Oskar's mother is abroad, and he has been left in the care of friends, but has been arriving in school hungry, unkempt and with bruises on his arms, legs and body. Experienced foster carer Cathy Glass is asked to look after him, but as the weeks pass, her concerns deepen. Oskar is far too quiet for a child of six and is clearly scared of something or someone.

The true story of two-year-old Anna, abandoned by her natural parents, left alone in a neglected orphanage. Elaine and Ian had travelled halfway round the world to adopt little Anna. She couldn't have been more wanted, loved and cherished. So why was she now in foster care and living with me? It didn't make sense.

Aneta and Filip, the children’s parents, are distraught when their children are taken into care. Aneta maintains she is innocent of harming them, while Filip appears bewildered and out of his depth. It’s true the family has never come to the attention of the social services before, and little Kit and Molly appear to have been well looked after, but Kit has a broken arm and bruises on his face. Could it be they were a result of a genuine accident, as Aneta is claiming?

Casey's Unit is, as ever, full of troubled, disaffected pupils, and new arrival Leo is something of a conundrum. Thirteen-year-old Leo isn't a bad lad - in fact he's generally polite and helpful, but he's in danger of permanent exclusion for repeatedly absconding and unauthorised absences. Despite letters being sent home regularly, his mother never turns up for any appointments, and when the school calls home she always seems to have an excuse.

From the author of Number One bestseller Damaged comes the poignant and shocking memoir of Cathy's recent relationship with Tayo, a young boy she fosters whose good behaviour and polite manners hide a terrible past. Tayo arrives at Cathy's with only the clothes he stands up in. He has been brought to her by the police, but he is calm, polite, and very well spoken, and not at all like the children she normally fosters. The social worker gives Cathy the forms which should contain Tayo's history, but apart from his name and age, it is blank.

Born in a prison and removed from his drug-dependent mother, rejection is all that 7-year-old Alex knows. When Cathy is asked to foster little Alex, aged seven, her immediate reaction is: Why can't he stay with his present carers for the last month? He's already had many moves since coming into care as a toddler and he'll only be with her a short while before he goes to live with his permanent adoptive family. But the present carers are expecting a baby and the foster mother isn't coping, so Alex goes to live with Cathy.