The drowning of actress Natalie Wood in 1981 was one of Hollywood’s most shocking celebrity deaths.

Natalie was yachting with her husband, Robert Wagner, and actor Christopher Walken, when she somehow ended up in the dark waters of the Pacific in the dead of night. The question of what really happened to the brown-eyed beauty that fateful night is a mystery that has spanned more than three decades. Now, her sister, Lana Wood, reveals why she believes her sister was murdered.

Tune in Friday for the conclusion of this two-part episode.

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