Higgs' decay begins when he loses his daughter to cancer. His wife wasn't there at the moment of their daughter's final breath. And he wonders why his wife couldn't get to the hospital that night. Even though he called her, and begged her.
The untimely death of his daughter has left anguish in his heart. And his wife's taciturnity only adds salt to the wound. But he couldn't allow his world to tragically turn upside down. After forgiving his wife for not showing up at the hospital, he starts anew with her to give respect to their daughter's passing.
But some time later, when he returns home, he discovers an untold story that will crush his faith in God and his creations.
A gaunt man at the end of his life on a bridge reopens the wound in his heart, giving birth to a being that thirsts for blood.
Higgs sets a path of vengeance for himself that will shepherd him toward eternal misery.