Complex sentence: The series'fourth film, "Naruto Shippuden the Movie", released on August 4,2007, and chronicles Naruto's assignment to protect the priest Shion who starts to have visions of his death.
Split into simpler sentences: The series'fourth film, "Naruto Shippuden the Movie", released on August 4,2007. It's about Naruto's mission to protect the priest Shion who starts to have visions of his death.