Dakota is a Labrador retriever pup whose life began with abuse and neglect. Just when it seemed like she was doomed to a life of sadness, along came her hero in a boy named Alex. With Alex, she learns what trust is as they become best buddies, exploring the farm and the adventures that await them down the trail. That summer, a mysterious "something" has been discovered in the lake by Alex's house. Although the townsfolk in the small town of Hibbing, Minnesota speculate on what it could be, no one really knows...until Alex is confronted by it one hot, summer day. Although fearless, not even Dakota has faced a danger as bad as this in all her life. Can she protect the boy who has changed her life for the better? And just what IS in that lake that has everyone talking?