Nadia's Revenge: Eternal Cocoon 4 is about the story of Nadia, a special agent leader betrayed by the Eternal Life Company, an agent of humanity that has fled to the virtual world.

Nadia rallies a group of agents who, like her, have been betrayed or manipulated by the Company, and leads them into guerrilla warfare as rebels.

But he is thrown into a crisis by his own lieutenant, Philip, who turns out to be a double agent, and narrowly escapes, leaving him to deal with the traitorous Philip and the Eternal Company at the same time.

Nadia again recruits and recruits Rebel operatives, sending them out on special missions, and taking on important missions herself.

Nadia is powered by the results of her allies' missions and the resources she earns during the game, which she can use to upgrade her skills, modify her weapons, and more.

Can Nadia Revenge?