A Difficult Woman (1999)

"A Difficult Woman" is a 1999 movie directed by Nicholas Hammond and starring by Caroline Goodall, Peter Feeney. Anne (Caroline Goodall) is a successful pathologist for a top pharmaceutical corporation, and her life couldn't be better. That is, until one of her oldest and dearest friends is murdered, turning Anne's world upside down. Not satisfied with the status of the investigation, she takes it on herself, and what she finds out could threaten her career -- and her life.