Like It Never Was by Faith Gardner

The deeper the secret, the darker the shadow.

Ten years ago, Jolene nearly killed her friend Elizabeth in a gruesome accident. And no one has any idea. Not even Elizabeth.
Jolene has been trying to outrun the guilt ever since, wandering from place to place and career to career. So she’s shocked when, after her latest move, she runs into the very person she’s been trying to avoid for ten years.
Elizabeth still lives with scars from the accident. And she’s still clueless about what happened that fateful night.

Or is she?

As the two women rekindle a friendship, Elizabeth’s increasingly disturbing behavior makes Jolene wonder if it’s her own guilt stalking her—or Elizabeth finally exacting her revenge.