Marine biologist Johanne is asked to investigate a salmon farm in a Norwegian fjord after the area has experienced a series of odd events; fish jumping on land on mass, damaged fishing equipment and more recently missing people. Once at the salmon farm, Johanne discovers that they have been using a sonic device to de-lice the fish but at a dangerously high frequency. Unfortunately, the damage is already done. The sonic wave has also woken up something else.
Full review over at Filmhounds.