A nightclub singer loses her husband in an automobile accident, and soon afterward witnesses the murders of two narcotics agents, and suffers a nervous breakdown. The police com@雪梨app直播下载官方@e to believe that all three murders are related, as they had suspected her husband was involved in a heroin smuggling ring, and now they think she may have been involved in it - espec@唐人街探案3免费观看完整版视频@ially after they find a large stash of heroin hidden in her apartment.