Insidious

The Lambert family is living their worst nightmare when their young son, Dalton, suddenly falls into a coma.
As the boy's condition remains unexplained, the house begins to feel hostile.
Dark apparitions appear out of nowhere and disappear within seconds, unexplained knocks and creepy whispers are heard at random moments.
Now desperate, the Lambert family asks for your help. As paranormal investigators, you are called upon to investigate the house and Dalton's condition and put an end to their nightmare