In Time (2011)

IMDb plot summary: In a future where people stop aging at 25, but are engineered to live only one more year, having the means to buy your way out of the situation is a shot at immortal youth. Here, Will Salas finds himself accused of murder and on the run with a hostage - a connection that becomes an important part of the way against the system.
Directed by Andrew Niccol. Stars Justin Timberlake, Amanda Seyfried and Cillian Murphy.

As a thriller, this is a pretty generic, straightforward crime movie. But as a sci-fi movie that explores a world, this is fascinating. The movie hit just the right balance between explaining the world and letting us figure it out on our own, and I loved watching it. It manages to take a story that's not that interesting on its own and put an entirely new spin on it. Nicely done. 3 stars.

Best Part: The mechanics of how the time system worked. I was fascinated by the world.
Worst Part: I laughed out loud when the two went swimming together. Apparently I am completely over the midnight swim romance cliche.
Flickchart: #658, below Being John Malkovich and above Ace in the Hole.