Grandpa Hill tells the story of Lake Livernois to three of his 22 grandchildren.  Grandpa and his brother Gerry make a lake! The story recounts how his seemingly harmless excitement at dam building, had a sobering not-to-be-repeated impact on his neighbors.  A police car, fire truck,  and a dump truck all come to make things right.  Through this exciting adventure Grandpa learned to consider the harm his actions may have on others.