The synopsis for High Plains Invaders:
"After a good-hearted outlaw turns himself in for a fatal accident, the guilt-ridden Sam Phoenix is ready to be hanged when an unexpected pardon arrives in the form of an alien-insect invasion. As the bloody killing spree begins, Sam and a small number of survivors are forced to take refuge in a nearby church. Realizing they are going to need a lot more than a prayer and a pistol to survive this nightmare, the small community enters a showdown where only one species will make it out alive" (Shock).
Release Date: April 6, 2010 (DVD).
Director: Kristoffer Tabori.
Writer: Richard Beattie.
Starring: James Marsters, Cindy Sampson, Sebastian Knapp, and Sanny Van Heteren.
A short movie clip/promo for the film:
One of several Syfy originals here:
High Plains Invaders at Syfy