For those who like their cinematic offerings lean and mean, there’s “Sisu.” A Finnish production that clocks in around 90 minutes, the endeavor is all about aggression, with the World War II tale focusing on a basically unkillable soldier doing battle with Nazis trying to murder him over a two bags of gold. Writer/director Jalmari Helander (“Rare Exports,” “Big Game”) doesn’t have much more in mind than revenge, creating a viewing experience that’s simple and visceral, and also has the added pleasure of watching Nazis get slaughtered in increasingly painful ways. “Sisu” isn’t a rollicking good time, but Helander has a healthy sense of the absurd with the effort, delivering a mildly bizarre but commanding actioner that does quite a bit with very little. It's wartime horror sold in a distinctly B-movie way, and for those who usually can’t find an interesting alternative to glossy, pointless bruisers that fill the marketplace, here’s a stark offering of pain and justice to refresh the possibilities of screen intensity. Read the rest at Blu-ray.com