If you haven’t the earlier part, even its okh you can go and watch the movie, beacause the beginning of the movie they given a short summary of the previous chapter of the movie, which will help you to understand everything about the movie. This part have good action part, you won’t feel boring at all. Lots of good action & a bit of suspense too. And they finally revealse that "project Alice" is no the real one, instaed she is a clone only. And at end she manages to get the "Airborn Antivirus" from the villan. But antivirus will take years to spread all over the world. So the good news is, Alice work is not done yet she will continue to hit the cinema.