The trailer opens with an ominous tone, suggesting that humanity’s earlier victories against the zombie outbreak may have merely delayed a more insidious threat. The haunting words, “we thought we had won but we only gave it time to adapt,” set the stage for a harrowing exploration of survival and evolution. As the story unfolds, the focus shifts to tracing “patient zero,” the original source of the outbreak, with the hope that understanding its beginnings may yield a solution to halt its devastating spread.