Synopsis

The salmon that throng the rivers along North America’s Pacific coast possess a life cycle among the most remarkable and enigmatic within the animal kingdom. Having spent years feeding in the vastness of the Pacific Ocean, they undertake journeys spanning thousands of miles, returning to the very rivers where they were born to spawn and ultimately perish. 'The Silver Tide' employs tiny underwater cameras to unveil the drama and peril faced by these salmon on their final, epic voyage—a passage