One day, when four young men wakes up in the morning, they're all in a small room filled with the white powder, naked.Why they are gathered? What is this room mean to be? Who brought them into this room? How to escape from this room?

One day, when four young people- three men and one woman- wake up in the morning, they find themselves in a small room filled with white powder, naked. Why have they been brought here? What is this room mean to be? Who brought them to this mysterious room? And most of all, how can they escape?—Anonymous