Complex sentence: He is cooperating with Cardinal Gianelli to stop the Order of St. Michael, is chasing Anna Maria in New York and in the conclusion he goes down below Vatican City with two of his men and brother Mark to save George's life.
Split into simpler sentences: He is cooperating with Cardinal Gianelli to stop the Order of St. Michael, while chasing Anna-Maria in New York. In the conclusion, he goes down below Vatican City with two of his men and brother Mark to save George's life.