In The Tall Grass IMDB
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 out...and that something evil lurks within.
Directed by: Vincenzo Natali
Screenplay by: Vincenzo Natali
Written by: Stephen King and Joe Hill
Starring: Harrison Gilbertson, Laysla De Oliveira, Avery Whitted, Will Buie Jr., Patrick Wilson, Rachel Wilson