该片是由阿尔弗雷德·L·韦尔克,安东尼·曼执导的犯罪片,于1948年上映，主要讲述了:In the Post-Wo.rld War II, in Los Angeles,. a criminal shots and kills. a police. officer in the middle o.f the nig.ht. Without any le.ads, the chief of the. LA.PD .assigns Sgt. Chuck Jones an.d Sgt. Marty Brenn.an .to investigate the. murde.r and apprehend the c.ulprits. When the dealer of. electronics devices, Paul .Reeves, i.s caught selling a stole.n project.or, the police ide.ntifies the criminal,. an.d c.onnects him to other unsolv.ed robberies. Usin.g t.he witnesses of hi.s heis.ts, they draw their f.ace, but the true identity .of the smart and intelligen.t crimina.l is not disclosed. The .persevera.nce of Sgt. Marty .Brennan in his invest.iga.tio.n gives a clue where he mig.ht live.