Summer vacation brings Ally and four friends to North Carolina's Outer Banks. The kids have heard stories about the wild mustangs living on the island and would do almost anything to catch a glimpse of the majestic animals.While following tracks in the sand, Ally and Nick, both fourteen, accidently uncover a cruel plot to kill the mustangs. Their determination to protect the horses leads to excitement as a mystery unfolds. Who are those two dirty men following the horses? Why is one of them carrying a rifle? Finding themselves in grave danger, Ally and her friends learn to depend on God and each other for help.