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....

Six-year-old Amelie lives with her mother, Kelly, who suffers from bipolar disorder. After Kelly attempts to burn down their family house, it becomes clear that her daughter is in grave danger. Amelie is quickly taken into care. When she arrives with foster carer Casey Watson, Amelie acts much younger than her age. Casey must get to the root of Amelie’s behaviour, while doing what she can to keep the family together. Will Amelie ever find the safety of home?

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.

Harley, 13, has been sectioned under the mental health act after attempting suicide. She was spotted climbing the railings on a footbridge that crossed a busy motorway and pulled to safety by a member of the public. After six weeks in hospital, social services are looking for a short-term placement so she can be kept safe while family therapy takes place. Harley has a family - a widowed mother and an older sister, Milly, who left home with her long-term boyfriend just over a year ago.

Named after the lager that christened her at birth, Stella's life is characterised instability and neglect. Her teenage mother abandons her in the first few weeks of her life, and left in the 'care' of her father, she ends up lying deserted in a house with no food, no water, no clothes and no warmth. She eventually lands in the care of foster carer Louise, who is determined to change her life for the better.

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. 

It’s February 2019, and experienced foster carer Rosie Lewis has joined Mockingbird, a new fostering scheme designed to help families stay together. After her first week in post, the foster carer takes a call from a social worker in the Child Protection Team—Bonnie, mother of four children, has been sectioned under the Mental Health Act. Her mother, Julie, volunteers to care for her grandchildren, but social workers insist on providing outside support.

Lara was seven when her birth mother died from a drug overdose. With no extended family to look after her, she was put into foster care. The care system failed Lara and now she is failing her son. Lara and her one-year-old son, Arthur, are brought to experienced foster carer, Cathy Glass, by their social worker. Lara has fled an abusive relationship and Arthur has suspected non-accidental injuries. Cathy must monitor Lara whenever she is with her son, day and night. She cannot let them out of her sight for a minute.

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.

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.

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.

Brought to Casey as a short-term emergency placement, 14-year-old Adrianna arrives with nothing but her gratitude. Having turned herself in to a social services office some 100 miles away, she has no possessions, no English and, apparently, no history - not that she's willing to share, anyway. She is a beautiful young Polish girl, with the bearing of a ballerina, but is terrified, malnourished and unwell.

What could cause a mother to believe that giving away her newborn baby is her only option? Cathy Glass is about to find out. From author of Sunday Times and New York Times bestseller Damaged comes a harrowing and moving memoir about tiny Harrison, left in Cathy's care, and the potentially fatal family secret of his beginnings. When Cathy is first asked to foster one-day old Harrison her only concern is if she will remember how to look after a baby.

Tilly hates her stepfather, Dave. He abuses her mother, but she refuses to leave him. Frightened for her own safety, Tilly asks to go into foster care and is placed with Cathy. Tilly arrives with a graze on her cheek, and Cathy becomes increasingly concerned by Dave’s behaviour, especially when she learns he has been showering Tilly with gifts. While she’s busy looking after Tilly and trying to keep her safe, Cathy is also worried about her own daughter, Lucy.

A 5-year-old boy, Ethan, is brought to Casey in the middle of the night after the sudden death of his young mother after a drug overdose. Estranged from her parents, Ethan’s mum had been abused by her ex-partner, and began taking drugs to cope. Ethan is obviously lost and bewildered, and regularly wakes up screaming for his mum in the night. He begins to lash out at other kids at school and his behaviour becomes more volatile.