The heroine in the film chose to join the army because she could not get out of the shadow and guilt of losing her friend and dying. The hard life in the army gradually changed the heroine's character and made it tough, and the war dog Rex and the heroine cultivated the relationship and saved the heroine's life in the war. After an injury, the heroine had to leave Rex. Afterwards, Rex was emotionally unstable due to the wound touched by the veterinarian. The veterinarian judged that he was not suitable for adoption and was sent to the front line. The heroine once again lost Rick. S. The last time the heroine asked for the support of the congressmen for the adoption of Ricks, a series of activities such as signing civil petitions completely disturbed the military and society. In the end, the heroine obtained Rex's adoption rights, which saved Rex from euthanasia. In fact, the heroine has already placed the faith in life on Ricks. It is the hard life in Ricks' companion army that makes the heroine gradually walk out of the shadows and gain sunshine. It is also the companion of the heroine, which enables the war dog Rex to break the regulations that the war dog can return to life and be adopted after retirement. Only by being good at discovering the good side of life can you live happily and happily. There can also be trust and affection between humans and animals, and we must be kind to animals.
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