Star Trek: Deep Space Nine: Fearful Symmetry

In our universe, a Cardassian sleeper agent--Iliana Ghemor--was once surgically altered to resemble and replace resistance fighter Kira Nerys, future Starfleet captain and hero of the planet Bajor's liberation. That plan never reached fruition, and the fate of the agent remained unknown...until now. Robbed of the past sixteen years, Iliana Ghemor is back with a vengeance. Over a decade and a half of imprisonment and abuse by her former masters has brought her to the brink of madness, sustained o