Review the final part of the movie "I am number four"

The part were i began to see the movie was the 3rd and final part.

Where are in the cabin and get the bad guys find Smith

John is constantly changing identities, moving from one city to another to leave no trace, under the supervision of their guardian who cares Henri John leave no trace anywhere. In a village called a young man who becomes his best friend as well who falls for a girl. In this village, the enemies are and starts a chase where Henri dies.

John discovers he has powers and starts using them, his enemies are close to catch it when another car parks guardian in this case is a girl that helps him to destroy his enemies at the end of the movie John has to say goodbye to his girlfriend and hide again but this time under the supervision of his new guardian and the company of his best friend: Sam