After being reborn in the Republic of China era, Lin Hao returns to the day his wife, Tian Weiwei, has just given birth. The local bully, Li Xiangshan, comes to collect an exorbitant loan and threatens to sell their newborn baby to settle the debt. Remembering the tragedy of his previous life, when his family was destroyed and his loved ones died, Lin Hao fights back with everything he has. At the brink of despair, he suddenly binds himself to the Beast Transformation System. By hunting animals, he can accumulate attributes and earn lottery draws, allowing him to transform into various creatures. Using his tiger transformation, Lin Hao drives Li Xiangshan away. From then on, he relies on the system to provide a comfortable life for his wife and child, with meat at every meal, enjoying life even in an age of war and chaos.