好好先生心得体会

A small town in the south is ravaged by a serial killer, with everyone being a suspect including the police.。一位医生韦伦研究人体在恐惧时会产生一种物质，只要大声的尖叫出来就能将它排除体内，在研究过程中，科技和道德两难的状况是韦伦必须面对的，他将如何取舍？。