In the aftermath of the September 11 attacks, Frontline reporter Martin Smith embarks on a perilous journey across the Middle East and South Asia to track the remnants of Al Qaeda. From the rugged borderlands of Pakistan to the opulent halls of Saudi Arabia, Smith investigates how the terrorist network has adapted and survived in the face of global scrutiny. Through exclusive interviews and on-the-ground reporting, the film exposes the complex web of alliances, religious fervor, and geopolitical tensions that continue to fuel the ongoing war on terror.