Watch Saw IV (2007) HD Full Movie Free on solarmovie.do. Watch Saw IV (2007) online free. Despite Jigsaw's death, and in order to save the lives of two of his colleagues, Lieutenant Rigg is ...Despite Jigsaw's death, and in order to save the lives of two of his colleagues, Lieutenant Rigg is forced to take part in a new game, which promises to test him to the limit.