Eighteen years ago, FBI Agent Rachel Ward's mirror twin, Hannah, was taken by the Gemini killer, a serial killer who delights in sending photos of his victims to their twins. Rachel assumes her sister has been dead for years, but she's never stopped hunting the monster who took her. Now, another twin is taken, and the case reopens, with Rachel working it as an agent.

For more from Kate Kessler, check out:

The Audrey Harte novels
It Takes One
Two Can Play
Three Strikes
Four of a Kind