Vast Uncertainty of a Raindrop

The Beaumonte' patriarch perished in the fire on Burn Out Bridge, leaving behind a broken family, unanswered questions and life-altering secrets. As the Beaumonte' matriarch withers away, painful truths come to light revealing the depth of one family's brokenness. What really happened on that fateful day in June of 1973? What or who caused the fire that burned down old US 90?