Desc: White Knuckles: Directed by Kevin K. Shah. With Martie Ashworth, Larry Strauss, Sue Rihr, Kelly McCracken. A sweet career housewife has been married to the same crotchety man for 40 years and she just can't take another day of it. She starts to poison his food - just to see if he might change. When he falls gravely ill, both are awakened to the raw reality of a life or death choice.