Genetically modified monsters invade our planet every day. They only have one thing in their mind, an order to devour and destroy. For now, Earth stands united against this threat, but when all guns are turned at the enemy outside, who will handle the enemy within?

Leonard is a victim of corruption, an orphan who went through inhumane experiments to be turned into a powerful weapon. He now prepares a team of powerful and loyal individuals to take care of pests inside and climb to the top of the world to take revenge for what he endured.