Slayer

Somewhere deep in the South American rain forest, an elite commando team led by lifelong friends Hawk and Grieves are attacked by a brutal superhuman force: A flesh-ripping, blood-guzzling clan that hunts in packs, strikes in daylight, and won't stay dead. The U.S. military calls them a tribal anomaly, but are they actually a horrific race of pre-Incan vampires? Six months later, Hawk must return to the jungle on a deadly new mission, this time to rescue his tough-but-beautiful scientist ex-wife and destroy his best friend, who may now be leading a tactical assault squad of immortal bloodsuckers out of their caves and into our world.