It's 1944, and young Tolly's (Alex Etel) mother (Elisabeth Dermot Walsh) isn't convinced he's safe in the Manchester while World War II is still on. So she decides to send him to spend a few months with his grandmother Linnet (Maggie Smith) in the countryside. After spending a few days at Linnett's home, Tolly discovers that the house is haunted with spirits who in life were members of the family. As he gets to know the friendly ghosts he learns a great deal about the exciting but sometimes troubled history of the Oldknow Family. FROM TIME TO TIME is based on Lucy M. Boston's best-selling book THE CHILDREN OF GREEN KNOWE.