Hunger Games

This is a very good Sci-Fi/action movie, that was directed by Gary Ross. Main role was played by Jennifer Lawrence, and side role was played by Josh Hutcherson.

Then world is divided on districts.Main character,  Katniss Everdeen lives in district 12.
Every year, president prepares games, where tributes fight to the death.
There is a man and a woman tribute from every district.

In district 12, man, who is elected, is Peeta Mellark.
For a woman, they call Katniss's sister, but Katniss volunteers as tribute.
After some preparations, They all go to arena.

It's a highly entertaining film, and it will make you sit on the edge of your seat for duration of whole movie.
Movie has a very good plot.
Only bad thing is, some scenes can become confusing to some people.