The abyss appears, and alien species descend. Eighteen-year-old Jiang You accidentally awakens the "shadow" attribute ability after being bitten by a dog. He can see the life bar of creatures, and his shadow can act independently and can feed back to himself through exercise. He obtained the panel system, unlocked skills such as "Shadow Devour" and "Shadow Pupil", and hunted alien species in the shadow layer and the real world to obtain shadow points and lifespan. Involved in the alien incident with his childhood sweetheart Lu Yaoyao and his friend Liu Yuqiang, a mortal body controls the power of shadow to fight against the catastrophe of the abyss, protect the safety of mankind, and write extraordinary legends in the process of hunting and growing up.
