What is the fine-grained topic of the following text: There’s her world-weary but compassionate detective, Shunsuke Honma, a widowed dad on extended leave from the police force after a bullet wound, and his target and nemesis, the beautiful, enigmatic Kyoko Shinjo, once innocent prey to loan sharks, now a predator herself as she resorts to betrayal and murder to escape the debts of her father. Only return the topic.
A detective's investigation into a woman resorting to crime to escape her father's debts.