You take part in a psychological study and are assigned to a test group made up of several test subjects who are complete strangers to you.

Together you have to solve different tasks that apparently serve to explore group behavior. But what initially begins harmlessly gradually develops into a tour de force in which the boundaries between fiction and reality become increasingly blurred. Is it really just an experiment? Or are you part of something else, something threatening?
In this interactive psychological thriller, your decisions determine what happens.

What is really behind this study? Who are the masterminds and what are they up to? To find out, you have to set yourself tasks that will push you to your limits. How far will you go?