Zoologist and large predator expert Dave Salmoni isn't a stranger to danger, but this is his first time on the front line of a war between humans and elephants. Joining forces with an armed elephant squad, Dave helps defend the villages of North East India from rampaging elephants in the dead of night. In the past 10 years, hundreds of men, women and children in this region have been trampled to death by the planet's largest land mammal, and the situation has just reached a crisis point. It's one of the most hostile wildlife war zones on Earth, but what has happened to make these beasts become so dangerous?