For millennia, the Cascade Mountains have stood watch over the Pacific Northwest. Millions of people, attracted by their grandeur, have settled in their shadows. But the slumber of these majestic sentinels is a fitful one and geologists are monitoring their ominous rumblings. Could what they are hearing be a muted warning? The Cascades are actually a chain of volcanoes part of the infamous Ring of Fire that encircles the Pacific Rim. When Mt. St. Helen's erupted, the Pacific Northwest experienced first hand the staggering power that loomed over them...could it happen again? Journey with us to the Philippines, Japan and Mexico to discover how other people have survived and suffered alongside their volatile neighbors. As our own mountains rumble and growl from deep within, now is the time to ask: what will we do when our Sleeping Giants Wake? The Cascades are actually a chain of volcanoes part of the infamous Ring of Fire that encircles the Pacific Rim. When Mt. St. Helen's erupted, the Pacific Northwest experienced first hand the staggering power that loomed over them...could it happen again?