there is this guy, vash the stampede. he is an outlaw and has a 60.000.000.000$ bounty on his head. so everyone tries to catch him. he is really fast and all and he can dodge bullets and stuff like that and he is a really nice guy who doesnt kill. due to the damadge that comes along with his appearing, an insurance company sent two girls to keep an eye on him! the rest of the story is about vashs past and the things that happen to him while he is searching for someone.
it is a great series, and you should watch it!