Broken: Part 3 of 3: A traumatised girl. Her troubled brother. Their shocking secret.

Nine-year-old Archie and his five-year-old sister, Bobbi, are taken into emergency police protective custody after an incident of domestic violence at their family home.Rosie collects the children from their out-of-hours foster carer on New Year’s Day and instantly recognises Archie from a domestic violence workshop she helped with. Rosie remembers that when asked what he enjoyed most about the course, Archie said: ‘the biscuits’.Social workers are concerned that Archie and Bobbi have been neglected. As Rosie gets to know the children, she begins to suspect that something far more disturbing lies in their past.Archie, jovial and polite, bats away Rosie’s attempts to talk …