During an archaeological expedition on Bouvetøya Island in Antarctica, a team of archaeologists and other scientists find themselves caught up in a battle between the two legends. Soon, the team realize that only one species can win.

Sebastian de Rosa: Thousands of years ago, these hunters found a backwater planet. They taught humans how to build, and were worshiped as gods. Every hundred years, the gods would return. And when they did, they would expect a sacrifice. Humans were used to breed the ultimate prey. The hunters would battle with these great serpents to prove themselves worthy to carry the mark. But if the hunters lost, they made sure nothing survived. An entire civilization wiped out overnight.
Alexa 'Lex' Woods: So, the humanoids, the hunters, they brought those creatures here to hunt?
Sebastian de Rosa: And they use us like cattle. We're hosts for them to breed. The heat bloom was designed to lure us down here. This whole thing was a trap. Without us, there could be no hunt.
Sebastian de Rosa: The enemy of my enemy... is my friend.
Alexa 'Lex' Woods: [pyramid starts to reconfigure] Let's go find our friend.
Adele Rousseau: What happened here?
Thomas: It's common in ritual sacrifice to take the heart of the victim.
Adele Rousseau: That's nice. But that's not where your heart is.
[pause]
Adele Rousseau: Besides it looks like the bones were bent straight out.
[Thomas stares at Rousseau]
Adele Rousseau: Something broke out of this body.
Alexa 'Lex' Woods: [Rousseau is loading a pistol] Seven seasons on the ice, and I've never seen a gun save someone's life.
Adele Rousseau: I don't plan on using it.
Alexa 'Lex' Woods: Then why bring it?
Adele Rousseau: Same principle as a condom. I'd rather have one and not need it, then need it and not have one.
Sebastian de Rosa: I think this is a manhood ritual. The humaniod ones, they've been sent here to prove that they're worthy to become adults.
Alexa 'Lex' Woods: You're saying, they're, what, teenagers?
Alexa 'Lex' Woods: How do you say "scared shitless" in Italian?
Sebastian de Rosa: Non vedo l'ora di uscire da questo piramide con te, perché mi sto cagando addosso. More or less.
Charles Bishop Weyland: [shows a 3D image of the pyramid] My experts tell me it's a pyramid.
[Lex discovers Weyland with his respirator]
Alexa 'Lex' Woods: There's no room for sick men on this expedition.
Charles Bishop Weyland: My doctors tell me the worst is behind me.
Alexa 'Lex' Woods: You're not a very good liar, Mr. Weyland. Stay on the ship. We'll update you at the top of every hour.
Charles Bishop Weyland: You know, when you get sick, you think about your life and how you're going to be remembered. You know what I realized would happen when I go? A ten percent fall in share prices. Maybe twelve. And that's it.
Alexa 'Lex' Woods: I've heard this speech before. My dad broke his leg seven hundred feet from the summit of Mount Ranier. He was like you. He wouldn't go back or let us stop. We reached the top and he opened a bottle of champagne. I had my first drink with my dad at 14,400 feet. On the way down, he developed a blood clot in his leg that traveled to his lung. He suffered for four hours before dying twenty minutes from the base.
Charles Bishop Weyland: You think that's the last thing your dad remembers? The pain? Or drinking champagne with his daughter fourteen thousand feet in the air?
[pause]
Charles Bishop Weyland: I need this.
Jack the helicopter pilot: Just past the P.S.R.
Graeme Miller: Oh, damn! I wish I got a picture.
Alexa 'Lex' Woods: Of what?
Graeme Miller: Uh, th-the P.S.R. I wish he'd call it out before we passed it.
Alexa 'Lex' Woods: [laughing] The P.S.R. is the "point of safe return". It means we've used up half our fuel so we can't turn back.
Graeme Miller: Right, but if something went wrong, we could uh... land presumably.
Alexa 'Lex' Woods: We could ditch.
Graeme Miller: Yeah, ditch.
Alexa 'Lex' Woods: But the temperature of the water would kill us in three minutes.
Sebastian de Rosa: During a big game hunt, the animals being hunted don't arm the hunters!
Alexa 'Lex' Woods: They're not hunting us. We're in the middle of a war. It's time to pick a side.
Sebastian de Rosa: We are on our side!
Alexa 'Lex' Woods: We have to consider the possibility that we might not make it out of here.
Alexa 'Lex' Woods: It's an abandoned whaling station. According to your satellite imagery, Mr. Weyland, the pyramid is located directly beneath it.
Sebastian de Rosa: When that door opens, we're dead.
Alexa 'Lex' Woods: Not if we set things right.
Sebastian de Rosa: What do you mean?
Alexa 'Lex' Woods: This pyramid, it's like a prison. We took the guards' guns, and now the prisoners are running free. To restore order, the guards need their guns.
Alexa 'Lex' Woods: I'm not gonna let you die down here!
Charles Bishop Weyland: You didn't.
[to the Alien]
Mark Verheiden: You want a piece of me? You ugly son of a bitch!
Adele Rousseau: What did you say this room was called?
[an Alien egg hatches]
Thomas: Sacrificial chamber.
[the team finds the Predators' shoulder cannons]
Graeme Miller: Any idea what these are?
Sebastian de Rosa: No, you?
Graeme Miller: No.
Maxwell Stafford: It's a good thing we brought the experts.
Graeme Miller: Well, yeah, it is a good thing, cos' this is like finding Moses' DVD collection.
[last lines]
Alexa 'Lex' Woods: [to an Alien] You are one ugly mother...
Alexa 'Lex' Woods: What's with the bottle cap?
Sebastian de Rosa: What?
Alexa 'Lex' Woods: What's with the bottle cap?
Sebastian de Rosa: Oh. This is a-a valuable archaeological find.
[Alexa laughs]
Charles Bishop Weyland: [to the Predator] Don't turn your back on me!
Alexa 'Lex' Woods: It's a bomb. Well, I hope it kills every fucking one of 'em!
Mark Verheiden: [Pyramid has reconfigured and Verheiden and Miller are cut off from the rest] We're never getting out of this place.
Graeme Miller: You got any children?
Mark Verheiden: Got a son.
Graeme Miller: Yeah, I've got two. That means we do not have the luxury of quitting. We're gonna make it out of here. We're surviving this if I have to carry you the whole way.
Alexa 'Lex' Woods: Where exactly on the ice is this?
Charles Bishop Weyland: Bouvetøya Island. But it's not on the ice. It's 2,000 feet below it.
[first lines]
Technician: Hey. Hey, hey, come here, take a look at this.
Alexa 'Lex' Woods: We're gonna round up the rest of the team and get to the surface. Let's move!
[Stafford and Verheiden open their cases and pull out machine guns]
Alexa 'Lex' Woods: What are you doing?
Maxwell Stafford: My job. Yours is over.
Alexa 'Lex' Woods: My job is over when everyone is back on the boat safely. And that gun doesn't change anything.
[Stafford cocks his gun]
Alexa 'Lex' Woods: Everybody, listen up! Gather round.
Graeme Miller: [towards Sebastian] Told you she'd stay. She can't resist my animal magnetism.
Mark Verheiden: Laugh it up, Miller. Laugh it up.
Alexa 'Lex' Woods: Gentlemen? It is my job to keep you alive on this expedition, and I need your help to do that. Since I don't have time to properly train you, I'm laying down three simple rules. One: no one goes anywhere alone, ever. Two: everyone must maintain constant communication. Three: unexpected things are gonna happen. When they do, no one tries to be a hero. Understood?
[towards Verheiden]
Alexa 'Lex' Woods: Understood?
Mark Verheiden: Yes, ma'am.
Alexa 'Lex' Woods: Good.
[after seeing the Alien and Predator fighting]
Sebastian de Rosa: What were those things?
Alexa 'Lex' Woods: You tell me. You're the pyramid expert.
Alexa 'Lex' Woods: [while exploring the abandoned whaling station, Miller is startled by a penguin] Careful. They bite.
Sebastian de Rosa: When I was a kid growing up in Italy, you know what they call a moon that big?
Alexa 'Lex' Woods: Hm?
Sebastian de Rosa: La luna del cacciatore.
Alexa 'Lex' Woods: La luna del cacciatore.
Sebastian de Rosa: Brava!
Alexa 'Lex' Woods: What's that?
Sebastian de Rosa: Hunter's moon.
Alexa 'Lex' Woods: Hunter's moon.
[pause. They start laughing]