The Gruffalo's Child is an animated adventure movie based on a children's book. It follows the story of a brave young mouse who goes on a journey to find the mysterious Gruffalo's child. Along the way, the mouse encounters various creatures like a cunning fox, a slippery snake, and a wise owl. In a snowy forest, the mouse must use its wit and courage to outsmart its adversaries and complete the quest.

A resourceful mouse uses his wits to outsmart a series of woodland predators and avoid being eaten. Along the way, he encounters a friendly owl, a cunning snake, and a hungry fox, all of whom have different ideas about what to do with him. In the end, the mouse proves that brains can triumph over brawn.