After hearing a young boy's cry for help, a sister and brother venture into a vast field of tall grass in Kansas but soon discover there may be no way that something evil lurks within. Director: Vincenzo Natali Writers: Vincenzo Natali, Stephen King (based on the novella by) | When siblings Becky and Cal hear the cries of a young boy lost within a field of tall grass, they venture in to rescue him, only to become ensnared themselves by a sinister force that quickly disorients and separates them. Cut off from the world and unable to escape the field's tightening grip, they soon discover that the only thing worse than getting lost is being found.