Open Road Pictures has released a new trailer for writer/director Andrew Niccol’s (Gattaca) sci-fi film The Host.  Based on the novel of the same name by Twilight author Stephenie Meyer, the film stars Saoirse Ronan as Melanie Stryder, one of the last remaining humans on Earth after a race of parasitic aliens has taken over most of the world.  Melanie attempts to fight back against her parasite and sets out to free other humans, if they’ll accept her as one of them.  This trailer teases a bit more of the film’s love triangle and Niccol’s characteristically clean-looking sci-fi world.  Knowing very little about how the story plays out, I’m interested to see if the film marks a step up in maturity from Meyer’s Twilight franchise or if it skews closer towards the YA demographic.  Having Niccol onboard as the director is definitely a good sign.

Hit the jump to watch the new trailer, and click here to check out five clips from the pic.  The film also stars Max Irons, Jake Abel, Diane Kruger, William Hurt, Frances Fisher and Boyd Holbrook.  The Host opens on March 29th.

Via Yahoo!

Here’s the official synopsis for The Host:

THE HOST is a riveting story about the survival of love and the human spirit in a time of war. Our world has been invaded by an unseen enemy. Humans become hosts for these invaders, their minds taken over while their bodies remain intact. Most of humanity has succumbed.