The play tells the story of Li Shuhan, Ni Na, Tang and excellent representatives of 90 Jinghua by interact with dogs in the body and mind, the fight against crime, and ultimately the metamorphosis of the soul's life growth and. Li Shuhan and Ni Na into the female dog teams within considerable conflict, two people respectively in a different way against can not escape the fate. Tang and the first to integrate into the new collective. Li Shuhan's mistakes, resulting in "cherry" injury and face the elimination. Through the help amnesia aggressive marinus dogs return to biting dog ranks, worked out a set of emotional concern new trainer guide method, and help the dog out of the psychological shadow back on the job. Ni Na and Springer Spaniel has suffered subway security "malicious complaints and search the explosion site" fatal error ", and Li Shuhan misunderstanding of his, a series of setbacks and difficulties of the Ni Na began to self reflection, eventually defeated the training large biting dogs challenges, and in the wild rescue distress repair and Li Shuhan. Tang Youyou lead shepherd climb over obstacles too pursuit of difficulty, cause dogs were injured deaf, made her understand that interest difference and professionalism, in helping police to break through the bottleneck of the training process, to realize the growth and self realization of the truth, "to dogs as teacher" concept, the realization of the affinity with the tacit understanding realm of canine.