It is a mystery that's haunted Hollywood for decades: What really happened to actress Natalie Wood the night of her death?

The tragic death of Natalie Wood is one of Hollywood's darkest and most enduring mysteries, now 34 years after the superstar was found floating in the murky waters off Catalina Island.

The legendary actress starred in such classic films as West Side Story and Splendor in the Grass, and was a loving mother to her three girls.

But to this day rumors continue to swirl about the 43-year-old's baffling death on November 29, 1981.

The case was reopened just a few years ago. Now in a brand new interview, Natalie's sister is not holding back about what she thinks happened that dark night off the coast of California.

Crime Watch Daily sits down with Natalie's sister Lana Wood, who says there is one person who knows exactly what happened.