Elizabeth Is Missing is adapted from Emma Healey's bestselling 2014 book and stars Glenda Jackson as Maud -- a lady fighting with dementia that must make an effort to piece together what has happened to her best friend Elizabeth. After Elizabeth goes missing, Maud is convinced that something terrible has happened, and that she sets out to solve the mystery, all the while fighting against time. Since Maud becomes more forgetful, the distinctions between present and past begin to blur -- and she begins to wonder perhaps the mystery is linked to the decades-old unsolved disappearance of her own sister, Sukey...