After moving to Middleton Heights and meeting Tina Brooks, a sweet girl that lived down the street, David, Sherry and Cody become entangled in an adventure that most children could only imagine. When people start vanishing, they must solve the mystery with a little help from their reclusive neighbors, which is not an easy task. As they race against the clock to find their family and friends, they meet more than a few obstacles and unusual characters along the way. Will they finally reveal The Secret of Willow Patch?