Miriam, Derek, Ian, and Jenny are overachieving high school students doing everything by the book. Straight A's, sports, yearbook, band, and - when coursework allows - planning and executing elaborate murders.
A boy named Harley and his family (brother Austin, mother Beth, and father Mitch) attends a taping of The Banana Splits TV show, which is supposed to be a fun-filled birthday for young Harley and business as usual for Rebecca, the produc…