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.

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.

When 16-year-old Jess arrives on foster carer Maggie Hartley's doorstep with her newborn son, Jimmy, she has nowhere else to go. Arriving straight from the hospital, having just given birth, Jess is like a rabbit caught in the headlights. Scared, alone, and practically a child herself, she is overwhelmed with the responsibility of caring for a newborn without the support of a loving family or her beloved boyfriend. With social services threatening to take baby Jimmy into care, Jess knows that Maggie is her only chance.

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.

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.