Sophie is snatched from her orphanage early one morning by the B.F.G. (Big Friendly Giant), whom she witnesses engaged in mysterious activities, and whisked away to Giant Country. She is soon put at ease, as she learns that B.F.G.'s job is to collect, catalogue and deliver pleasant dreams to children. She joins him that night, but the mean giants follow them, planning to eat the children. Sophie enlists the help of the Queen, by making up a dream for her, and with the backing of the armed forces, they defeat the mean giants.