Suspicious of who caused the death of his renewable-energy-scientist dad, 12-year-old New Yorker Billy Wolf has his hands full with rival Colt at a summer camp on his late grandparents' Nebraska ranch when bison mysteriously go missing. When the sheriff's investigation stalls, it's up to Billy - along with new friends Mia and Ally - to track down the rustlers, find the missing bison and save the ranch. Once Billy and friends uncover the truth about...