【內容提要】
祈母(恬妮)生下連體女嬰——祁寶兒(陳玉蓮)和貝兒,必須施分剖手術。祈母為了救寶兒,只好犧牲貝兒。從此貝兒的鬼魂便纏擾著寶兒,直到寶兒大學畢業回港,又屢次害寶兒,更欲奪其男友潘子勤(湯鎮宗)。最後,連體嬰靈貝兒再度復活,祈父(岳華)被殺,祈母也自殺而死,而一連串令人匪夷所思的事接踵而來……
One of the most spine-tingling horror films of the 1980s, and one of the very few new wave thrillers to be directed by a woman, this haunting tale warns of what might happen when the wrong Siamese twins are separated. Famed television starlet Chan Yuk-lin (a.k.a Chen Yu-lien) makes a striking impression as the surviving twin who must confront her macabre past to solve a dangerous present when too many people around her start dying in terrible ways.