Off the coast of BC, wild salmon started dying by the millions.Chris Bennett runs Blackfish Lodge 300 kilometers north of Vancouver. He was leading a group of tourists on a boat tour when he looked into the water and noticed young salmon – called smolt – acting strangely. He’d found a clue. He took it to an unlikely detective - a whale biologist - Alexandra Morton - who’d be pulled into a battle against government, industry and multinational corporations.A story like this one should have been a hero’s tale. An Erin Brockovich moment. But it didn’t quite play out tha...