The film takes place in and around Johnson County, Iowa. Destiny is a ten-year-old foster child in Iowa who gets placed with Ethan and Jill Emmet. While visiting the Iowa State Fair by herself, she wanders into Butter sculptures at the Iowa State Fair of the winning butter sculpture, a life-sized Last Supper, and skillfully finishes the Holy Grail cup, which impresses the sculpture's creator, Bob Pickler (Ty Burrell).