Season 1
3 episodes · 2026
Was Lisa Hayden-Johnson’s son Matthew really Britain's sickest child? Doctors, police and family members tell their story behind the shocking deception.
1Buggy Boy
Young Matthew’s health problems worry medics and his mum Lisa. But when doctors’ efforts to improve Matthew’s condition don’t work, suspicions are raised and the police are called in to investigate.
2King of the Castle
Lisa’s world implodes as an unthinkable truth is revealed: Matthew’s illnesses are not as they seem. And while Matthew comes to terms with his new reality, the threat of prison hangs over Lisa.
3Unfinished Business
As the press dub Lisa’s ‘Britain’s most evil mother’ and the family rift deepens, Matthew confronts his past and meets the professionals who worked on his case, as he searches for the elusive truth
