Star Wars: Episode II - Attack of the Clones (2002)

Set 10 years after the events in The Phantom Menace.  After an assassination attempt on the life of Senator Padme Amidala (Natalie Portman), Jedi Obi-Wan Kenobi (Ewan McGregor) and his Padawan learner Anakin Skywalker (Hayden Christensen) are sent to investigate. After tracking down the assassin, she is killed before any information can be driven out of her. The two Jedi are then sent on two different missions, Anakin is sent to Naboo with Padme and Obi-Wan is sent to the planet of Kamino where he will investigate the assassination attempts. Little does he know, he is investigating some of the biggest events of the Star Wars saga, as he finds out that there is a connection between the assassination attempts and a separtists movement led by a former Jedi (Christopher Lee) against the Republic. The Galactic Republic finds itself at the brink of a civil war.