The Cabinet Of Dr. Caligari
This is one of the oldest films on the list, but the plot twist is timeless. Wait until you see all the twists and turns that The Cabinet of Dr. Caligari has in store for you! It turns out that they all came from the mind of a man locked up in an insane asylum. All the other characters are his fellow patients.
The Orphanage
When her son goes missing, Laura does everything she can to look for him. With the help of the supernatural, she eventually finds his body! However, what she learns about his death makes her claim her own life. It must be hard to live with the knowledge that your actions ended up killing your own son.