Grace and Walter want their papa to tell them a scary bedtime story... but not TOO scary!

Grace wants Papa to tell her a scary bedtime story... but her little brother Walter says it shouldn't be TOO scary! So as Papa invents the story of two children out for a walk in the woods, Grace and Walter take turns correcting him. But when darkness falls, a shadow looms, and footsteps follow the children all the way home, will the siblings triumph over the too-scary story?