艾伦(约瑟夫·科顿 Joseph Cotten 饰)是一名士兵,战友罗杰(Robert Sully 饰)请求艾伦帮自己给自己的女友维多利亚写信,在此过程中,艾伦无法自持的爱上了这个素未谋面的女孩。一场意外中,艾伦受伤进入医院疗养,而罗杰先他一步回到了家乡,顺利和维多利亚携手步入了婚姻的殿堂。艾伦虽然感到十分难过,但也只有献上祝福。
让艾伦没有想到的是,没过多久,他便收到了罗杰的死讯,于是,他来到了罗杰的家乡,想要找到维多利亚。然而,抵达了目的地的艾伦震惊的得知,维多利也竟然也已经去世了,而另一个名叫辛格尔顿(珍妮弗·琼斯 Jennifer Jones 饰)的女孩的身影浮出了水面。
Big Baby tells the story of Adam Lewis, a successful horror screenwriter struggling for inspiration for his latest script. After a graphic and realistic nightmare of a hulking man dressed in a baby mask and onesie who axe murders his girlfriend Kate in the middle of the night, Adam gets the inspiration he needs for his new screenplay. Excited about the direction his story is taking, he starts losing himself in his script. Things are better than ever for Adam and Kate until “Big Baby” starts appearing in real life and tormenting and killing victims fueled by his own revenge. Characters from Adam’s script begin to pay him visits pleading for their lives, and he quickly realizes he holds their fate in his hands. Power and fear completely consume Adam until his girlfriend Kate is terrified of the man she once loved.