follow John, a stressed-out father of two, steps out as a deadly infection from a lab spreads throughout the city, causing chaos and destruction. He loses his daughter but finds reassurance in a little girl he encountered on his quest to unearth the secrets of the "UnMarked," As they traverse the dangerous terrain, a bond forms between them reminiscent of his relationship with his daughter, Sally. They encounter friends and foes, including a fierce gang leader. Will they uncover the secrets of "UnMarked" and restore the world to its former glory? This is a heart-wrenching tale of a father-Daughter relationship.