At just 10 years old, Kirsty has suffered a lifetime of heartache. Neglected by her teenage mother and taken into care, Kirsty thought she had found her forever family when she was fostered by Pat and Mike. But when Pat has a heart attack and collapses in front of her, Kirsty's foster family say it's her fault. Kirsty is still reeling from this rejection when she comes to live with foster carer Maggie Hartley. She acts out, smashing up Maggie's home, and even threatens to hurt the baby boy Maggie has fostered since birth.

Fourteen-year-old Shazia has been taken into care after a conversation at school leads her teacher to suspect that the teenager's family are planning to send her to Pakistan for an arranged marriage. To her family's fury, Shazia is sent to live with foster carer Maggie Hartley whilst social services investigate. But with Shazia denying everything and social services unable to find any evidence to support the teacher's fears, Shazia is allowed to return home. But a few weeks later, Maggie is woken up in the middle of the night by a phone call from a terrified Shazia, who has managed to escape the family home through a window. 

Experienced foster carer Rosie Lewis is used to looking after children from difficult home situations, but she finds herself struggling when she agrees to take in Taylor and her younger brother, Reece, for a short while. Taylor tries desperately not to fit in, to be the tough young teen that she has had to become, making it clear that she cares about nothing and no one, while Reece is just desperate for someone to love him.

When six-week-old Jasmine is placed in her care, foster mother Maggie Hartley is delighted to have a baby in the house again. Maggie's been given temporary custody of Jasmine after social services were concerned that the baby was failing to thrive and develop. With Maggie's love and care, Jasmine soon flourishes into a healthy, happy baby - but it is clear that all is not quite as it seems with her mum, Hailey.

Evie and Elliot are scrawny, filthy and scared when they turn up on foster carer Maggie Hartley's doorstep. Aged just two and three years old, this brother and sister have hardly set foot outside their own home. They have been prisoners, locked in a world of abuse, violence and neglect. Maggie soon realises that Evie and Elliot are lacking the basic life skills we all take for granted, and the outside world terrifies them. Gradually unlocking the truth of their heartbreaking upbringing, Maggie tells their shocking true story.

Fourteen-year-old Hannah comes to live with foster carer Maggie Hartley after her mum pleads with Social Services to take her into care, unable to cope with her daughter anymore. Previously a good student, a loving daughter and sister, Hannah is now playing truant, drinking and taking drugs. Angry and mistrustful, it seems that nobody can reach this troubled teenager. 

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.

'Is It My Fault Mummy?': seven-year-old Paris is trapped in a prison of guilt. Devastated after the death of her baby brother, Joel, Maggie faces one of her most heartbreaking cases yet as she tries to break down the wall of guilt surrounding this damaged little girl. 'A Desperate Cry for Help': 12-year-old Meg arrives at Maggie's after a fire destroys the children's home she's been living in. Traumatised by the fire and angry and vulnerable, having been put into care by her mother, Meg is lashing out at everyone around her. 

Ruth was a ghost of a girl when she arrived into foster mother Maggie Hartley's care. Pale, frail and withdrawn, it was clear to Maggie that Ruth had seen and experienced things that no 11-year-old should have to, that she had been conditioned to 'see no evil, speak no evil'. Ruth is in desperate need of help, but can Maggie get through to her and unlock the harrowing secret she carries? Through love, reassurance and patience, Maggie starts to unravel Ruth's painful past.

The heartbreaking story of three little children searching for someone to love them. Maggie Hartley faces one of the toughest challenges of her career when three abused and neglected siblings she’s been caring for are placed for adoption with a family she believes are unsuitable. The couple are looking for a perfect ready-made family, and Maggie knows that they’re not going to find it with these traumatised children. And when her worst fears come true, Maggie must fight against the very system she’s part of to have the siblings returned to her so that she can start to undo some of the damage that has been done.