Experimenter is based on the true story of famed social psychologist Stanley Milgram, who in 1961 conducted a series of radical behavior experiments that tested ordinary humans willingness to obey by using electric shock. We follow Milgram, from meeting his wife Sasha through his controversial experiments that sparked public outcry.

Tyler Clarke is on the red-eye to New York City. Two days ago she received a cryptic voice-mail from her sister Jessica. She was asking for help but she didn't say why. And now that Tyler has come to the city to help her, Jessica is nowhere to be found. In order to find out what has happened, Tyler must delve into a world of darkness and lies, the underbelly of a spiritually depraved community living in a deconsecrated cathedral. They call themselves "The Collective." And Jessica is one of them. Tyler is forced to ask the ultimate question, is she ready to risk her own life to save her sister's?