Escape From Hell Asylum

You succeed in sliping into room M7 unnoticed, there is a moment of panic when the the door won`t give but luckily the lock is so old it breaks off after you shake the doorknob. You can tell where Ralph is by his singing and are relieved when he passes room M7 without stopping to investigate. You`re safe for now. A quick survey of the room reveals it to be unoccupied, another cause for relief! Do you...