Emi is not scared of monsters. Definitely not. Not even a teeny bit. In fact, Emi is so not scared that tonight she has a plan to catch a monster herself. She and her puppy sidekick, Cookie, have set a trap and are very bravely lying in wait under the covers. But when Cookie chases her runaway ball into the dangerous dark of the house, Emi must face her fears as this monster hunt turns into a rescue mission!