Nightkill

Nightkill is a movie starring Robert Mitchum, Jaclyn Smith, and Mike Connors. A woman's lover poisons her cruel husband, a rich businessman, in front of her. She becomes more terrified when she finds the lover dead as well. A police...
The wife of a wealthy industrialist finds herself caught-up in a web of intrigue & murder which was created by her own deceit. When she tries to escape the results of her actions, she too falls victim to deception.