Ursa, a Viking warrior. 841

Kiyoshi Kamakami, a Japanese shinobi. 1629.

John J. Torres, a pilot of the U. S. Army. 1942.

All three with the rightful title of Killers. All three of them have been abducted and taken to an alien planet, which they will understand it is Yautja Prime, the home world of the 'monsters' they have killed.

Condamned to fight against each other to fight against the Chief Predator to gain the possibility to survive and go back home. They don't know that they are not the only humans on this planet...