When a situation takes an extremely unexpected turn/twist
Shutter Island! Oscar Pistorius kicked the door down when he heard gunshots!?
the biggest mindfuck movie ever made. Directed by Martin Scorcese
"Hey did you see Shutter Island?"
"Ya"
"Was it good?"
" Lets just say my mind was fucked"
When the original premise of a movie is more interesting than the twist.
"Man, that movie was good, but I really just wanted to watch detective Leo investigate a mystery at the insane asylum on this creepy island."
"Yeah, I guess that's why they call it Shutter Island Syndrome."