There's something incredibly hot about this chick. Maybe it's a bit of a "girl next door" look. I don't know, but it works.
Some friends wanted to watch a movie, it was about some Western chick being an assassin in Japan, but she's poisoned so she's got only a few hours to live. Or... something. All I know is that Mary Elizabeth Winstead was the protagonist, which was good enough for me.
At least good enough to put up with the otherwise supremely corny plot and characters.