Margaret Fleming, 35, has disappeared without a trace from her hometown in Scotland. It dawns on the authorities and the police in 2016 as they can not get in touch with her. The suspicion is heightened when it turns out that Margaret Fleming's family has not seen her for 16 years. Her carers, Edward Cairney and Avril Jones, are accused of killing her - but can one judge without a corpse?

Margaret Fleming's disappearance captures and mystifies the entire Scottish nation. Cops, journalists and her teachers occupy the courtroom to tell their stories of Margaret and the system that failed her. In the end, it is the turn of the murder accused, Edward Cairneys, to give an explanation.