Duccio Tessari's rare Giallo starring Helmut Berger, Giancarlo Sbragia, Evelyn Stewart, Silvano Tranquilli Carole Andre. A young student is murdered in a park by an unseen assailant during a heavy thunderstorm. The murderer makes his escape, but is identified by a number of people at the park exit. A sports presenter from a local TV channel, Alessandro Marchi, is quickly arrested, and despite protestations of innocence, is charged with the murder. Marchi calls his lawyer, who promises to have him released very soon, but when it comes to the trial the lawyers case is a weak one, full of holes, and Marchi is duly found guilty. All is not what it seems and it soon becomes apparent that the lawyer is having an affair with Marchi's wife and obviously does not have Marchi's best interests at heart…
从影评人到普通观众，《血蝶》得到了各界的广泛关注和讨论。影评人们称赞其在情节设计和人物刻画上的巨大突破。
《血蝶》该片讲述了少女一路与命运的抗争，最终找到自我，也收获纯真情缘的故事。电影延续原著原剧，准备唤起全民对这段师徒虐恋的追剧回忆。
没有精心搭建的造景、没有靠灯光营造的氛围，更没有强情节、快节奏、多反转的人造戏剧元素
大自然是人物的舞台，人在自然中“自然”地生存着，人与自然浑然一体。草原、河流、山峦、羊群、马匹、与人的生存状态，水乳交融地构成和还原了一种原生态关系。
