In "The Princess and the Goblin's Grandmother," a story by George MacDonald, the narrative follows a young princess named Princess Irene who discovers her magical grandmother. This grandmother lives in a hidden realm and possesses the ability to help Irene navigate challenges, particularly those posed by the mischievous goblins that threaten her kingdom. The grandmother provides Irene with a special thread that leads her back to safety whenever she is in danger. This thread symbolizes the bond between them and serves as a tool for courage and guidance. The story emphasizes themes of bravery, trust, and the importance of family connections.