When countless alien races invade and everyone is called to arms, Lu Chen, heir to a family of heroic martyrs, foresees through memories of his previous life that humanity is destined to lose the war. He willingly accepts the disgraceful label of deserter and chooses to remain behind to defend the rear. Using his Saint-level Beast Tamer talent, he secretly tames millions of exotic beasts and primordial species in the Northern Wilderness. Meanwhile, his fiancée breaks off their engagement, the Ling family frames him, and his elder brothers are repeatedly targeted and killed. Yet he patiently endures it all. When the clouds finally part, everyone will understand that the Lu family's legacy of loyalty and sacrifice has never been extinguished.