On a summer night in July 2013, the quiet Quebec town of Lac-Mégantic was torn apart when a runaway freight train carrying crude oil derailed in the heart of downtown. Within seconds, multiple tank cars exploded, unleashing a firestorm that leveled blocks, killed 47 people, and left a community scarred forever. Investigators uncovered a trail of negligence—insufficient safety protocols, poor oversight, and a company cutting corners in pursuit of profit. What emerged was not just an accident, but a chilling tale of corporate failure and regulatory blind spots. How did a small town become the stage for one of Canada’s deadliest industrial disasters—and could it have been prevented?