When The World Was Grey

A plague doctor. A plague doctor named Xavier who's trapped in a governmental and hidden facility with strange people who ask Xavier what his perception of reality is. Since Xavier has such a twisted and demented sense of reality. Even though many people work in this facility, they do not know why he's kept there. Soon enough, Xavier is found dealing with an unexpected entity, and questions if he should be good or bad for a specific reason. But why was Xavier kept in this facility in the first place? That reason, is something that no one would even think of...