A guy is visiting San Francisco, and walks into a small store in Chinatown. He notices a small bronze statue of a rat. He asks the owner ""how much"", and the owner replies ""$50 for the bronze rat, and $1000 for the story behind it."" The guy says, ""forget the story"", and buys the rat. As he's walking down the street he notices two live rats following him. As he continues to walk, more rats start following him. He starts to get a little concerned, and heads for the waterfront. By the time he …