One of the most common plots in this type of novel was the establishment of an organization called "Organization", which attracted many adventurous people to join it. These members were killers and mercenaries who had received special training and training. Their mission was to complete the mission to protect the interests of the organization and earn huge profits. Fierce fights and conflicts often occurred between the members of this organization because of their different goals and methods. There were often huge differences in interests and ideas. They might face all kinds of challenges and dangers, such as being hunted down, attacked, and threatened by the government, gangs, and other organizations. In this novel, the protagonist is usually a capable and adventurous person. He joins the organization and gradually understands the organization's goals and secrets. He might have conflicts with other members, cooperate with them, or become their ally or partner. His goal might be to protect the interests of the organization, complete some missions, or even challenge the organization's goals and rules. This novel might involve all kinds of complicated plots and relationships, including betrayal, love, friendship, loyalty, betrayal, and so on. It might also discuss some moral and ethical issues such as whether the actions of killers and mercenaries were legal, reasonable, and the impact of their actions on society and humans.