receive info that their female parent die in a robbery at the shop, four adopt brother return to Motor City for entombment. The robber look to kill her by chance. police force believe that it is an accident after hear the testimony of a witnesser. But Mercer brother happen many leery case and make up one's mind to look into to happen out the truth. In the course of study of investigate the decease of their female parent, Mercer brother detect a fly-by-night human relationship between official and drug seller in the metropolis …