Complex sentence: Three days after the events of the first film, a young boy named Billy Taggart assists his father in erecting scarecrows throughout a corn field, when one of the scarecrows is not one of the fake scarecrows but The Creeper, it attacks him.
Split into simpler sentences: Three days after the events of the first film, a young boy named Billy Taggart assists his father in erecting scarecrows throughout a corn field. One of the scarecrows is not one of the fake scarecrows, but the Creeper, it attacks him.