导演认识了两位“朋友”。他与他们之间的交往构成了这部片子。开始，他并没有一个明确的计划要制作一部纪录片，但随着时间的推移，他开始有目的和他们交“朋友”。“朋友”们奇迹般地允许导演进入他们的生活，他们吸毒也贩毒的生活。
纪录片的制作者和被拍者之间到底应该是一种什么样的关系，这部影片给出了它的解释。
The director himself (who’s also a journalist) encountered in an interview a small group of people who, despite all odds, willingly invite him into their world of drug use and peddling. That’s how “Using” was born.
What exactly is the relationship between a filmmaker and those being portrayed, “Using” has the answer.
Patty Cohen Domenico De Sole José Carlos Bergantiños Díaz Jack Flam Ann Freedman Michael Armand Hammer 杰伊·埃尔南德斯 Maria Konnikova Luke Nikas Pei-Shen Qian Michael Shnayerson