Lin Yi, reborn as a cow cat under the name Marshal, leads a patrol team of cats and dogs on wonderful adventures between Gangcheng and Haicheng. From rescuing the distressed white cat Snow White and recovering lost Ragdoll cats, to outwitting cat thief gangs and protecting South China tiger mothers and their cubs, Marshal acts chivalrously in cat form, writing heroic legends of the animal world through trivial daily acts, and finally uncovers the secret of humans transforming into animals.