Set in the beauty of the Pacific Northwest, the legend of Swanson Lake is kept by one man and he's not about to surrender it. When Bill's grandsons come for a summer visit, they stumble into a big-time adventure with a giant turtle named Mel. When Bill's neighbor Bailey tries to kidnap Mel in order to feature him in a proposed theme park, the grandsons plot to hide Mel from the neighbor.
After police detective Nick Epps witnesses his partner's murder by the Mafia, he's forced enter the witness protection program and is placed on the Navajo Indian Reservation. He tries to settle into his new life, but danger seems to follow him as he becomes involved in a serial killer investigation. Before long, the Mafia tracks him down, and Nick is suddenly trapped between two violent worlds with little hope of escaping alive.