What is the fine-grained topic of the following text: Featuring a zombie outbreak that devastates Denver, an indecisive adulterer, and a series of violent, disturbing, and perhaps even heart-rending events of the sort you’d expect when the dead rise up to eat the living, Cheating, Death is a roller-coaster ride through a horror show both of death and of the heart. Only return the topic.
Zombie outbreak in Denver and adultery in the context of a horror narrative