Kiri goes missing on an unsupervised visit to her birth family arranged by her social worker, Miriam. Written by Jack Thorne, National Treasure: Kiri is a four-part drama is the story of a young black girl in the process of being adopted by a middle class white family.  We follow Miriam, as the fingers of suspicion and blame point at her and her judgement is questioned; Kiri’s birth family, as they find both their past failings and their present dysfunctional relationships put under the microscope; and Kiri’s adoptive family – particularly Alice, Kiri’s fiercely articulate white foster mother, as they are thrust into the national limelight.  All of them are asking the same two questions:  what happened to Kiri, and who is to blame?