I need to learn more about the secret society members. Why didn't my father mention them in his journals?

I've searched his study and library, but found no clues or documents. How can I become their leader when I know nothing about them?

I entered my father's room, searching for it for the umpteenth time today. I slumped on the bed, worried for my life. How can I go against people I know nothing about?

As I looked around, my eyes landed on a strange object in his walk-in closet. It blended with the silver design. How did I miss this?

I pressed it hard, and suddenly, a ladder dropped...