Trigun is a show about an alien/plant person (Vash) and his brother (Knives) who were traveling to colonize a new planet with a ship of space explorers. Knives got mad and blew up the ship, killing almost everyone on board. Shortly after the crash, Knives and Vash get into a fight and Vash's arm turned into a big gun and put a hole in the moon. The people that survived colinized that planet. Vash is a really good gunman. Now in the future people are looking for Vash because they are saying he did damage to a lot of places. The story revolves around Vash and two girls who are from an insurance company that are trying to get him to cause no more damage. Vash is trying to find his brother and kill him so that nothing else will happen to the planet.