A stray dog named Gump is searching for his place in the human world. He wishes to get a companion, but has to endure several challenges along the way.。退伍雇佣兵林平因PTSD携妻女定居，却遭恶邻赵建家恶犬骚扰。冲突升级致妻子流产，林平智勇反击，设局揭露赵建恶行，反使其被犬咬。林平化身训狗专家开救助中心，获社会赞誉，推动文明养狗。其以智护家、助狗成典范，彰显正义终胜邪，引发社会热议。。