在这部赤色疑云犯罪/剧情/惊悚片中,探员约翰被控涉嫌谋杀自己的妻子及其奸夫，约翰的老拍挡荣森深信真凶另有其人，遂四出寻找线索。可惜案件的线索只有两组用血写成的字——"V.V 341" 及 "Rache"。约翰提议荣森到其家找一些福尔摩斯的侦探小说，希望能从中找出一些头绪。但在约翰家寻找线索之余，却发觉自己对约翰的女儿祖有着一份微妙的感情。另一方面，案件有了突破性的发现，而证据竟显示祖才是真凶……
When the wife of Detective John Traveller and her lover are executed in bed and John takes the blame, his partner and friend, Detective Matthew Ransom, becomes very upset, affecting his marriage that was not working well. The lover of John's wife was the son of Luke Williams, a detective of the same department, and he does not accept the death of his son. After the trial and conviction of John, Matthew separates from his wife Mary Ramson, being sexually arrested by John's daughter Jude. Meanwhile, a serial killer kills the enemies of John, leaving clues in the crime scenes relatives to Sherlock Holmes tales and Matthew suspects of Jude.
