1980s movie where a woman plots the kidnapping of an elderly man

A couple, cheated by a vile businessman, kidnap his wife in retaliation—without knowing that their enemy is delighted they did.

While on a business trip in Los Angeles, Edward Lewis, a millionaire entrepreneur who makes a living buying and breaking up companies, picks up a prostitute, Vivian, while asking for directions; after, Edward hires Vivian to stay with him for the weekend to accompany him to a few social events, and the two get closer only to discover there are significant hurdles to overcome as they try to bridge the gap between their very different worlds.

A man and his 92 year old grandmother kidnap, torture and kill women.

plot is unknown

A spoiled rich girl hatches a plot with her hippie friends to "kidnap" her so they can get a large ransom from her wealthy father.

A woman is kidnapped by an ex-con after he has committed a mysterious robbery.

The 1979 kidnapping of Palm Springs socialite and philanthropist Elaine Chaddick by a gun-wielding young couple demanding $1 million ransom forms the basis of this action-packed thriller.

A young man kidnaps a young girl to impress his friends. When she gets an opportunity she knocks him out, ties him up, and interviews him back.