10 Worst Betrayals In Horror Movie History 

When is a betrayal felt most acutely? When a trusted lover or friend sells you out for personal gain. That's certainly what happened to Claire Spencer, plagued by a restless spirit and desperately searching for a way to put things right. To do that, she must uncover the truth - who is responsible for the murder of Madison Elizabeth Frank?

What Lies Beneath is a classic ghost story from Robert Zemeckis, starring Michelle Pfeiffer and Harrison Ford. Claire (Pfeiffer) is convinced their house is haunted; apparitions in the bath, messages written in steam and mysterious clues point to a murder. What she doesn't realise, until the last reel anyway, is that her husband Norman (Ford), a brilliant research scientist has been having an affair. When his student and lover Madison threatens to expose him, he kills her and puts her body into the lake overlooking their home.

Norman seizes the opportunity to conceal his crime once and for all and attempts to kill Claire and make it appear like suicide by drowning. Claire is immobilised by a drug from his lab and is nearly drowned by her husband, until the ghost lends a hand and buys her enough time to escape the house.

Two affairs, one murder and all in the name of keeping his extremely well paid career. It's a dastardly betrayal of the worst kind - one for greed, pure and simple. Zemeckis borrows liberally from Hitchcock in this well paced, believable and spooky horror.