In 2006, disaster seemed to strike again. A bright light originated from the old reactor plant and speculation of a second explosion began. Military patrols increased as the authorities seemed more determined than ever to keep people out. However, human nature prevailed. Curiosity and greed led to the phenomenon of the "Stalker" - part explorer, part mercenary, part treasure hunter. These brave and foolhardy individuals started entering the Zone to see what could be salvaged. What they found was beyond imagination.