The Rhomulion sun is dying. A mysterious black hole has appeared in the Rhomul system, and it is having a devastating effect on the entire Federation. A small Rhomulion crew has been charged with the task of observing the temperature of the sun, to gauge how quickly it is dying.
Apo Lanski, an engineer with the crew, is forced to land on a small planet called Zhena, after his shuttle begins to overheat. But after having fixed everything, he's discovering that there is plot on Rhomul that can change it forever...