Evolution (Star Trek: The Next Generation) neutronium as a result of a stellar explosion that occurs every 196 years and is due to occur in the next few hours. Stubbs plans to launch a probe, dubbed the Egg, to gather the data, a result of a lifetime's development. Meanwhile, Chief Medical Officer Dr. Crusher (Gates McFadden) has returned to her duties on the "Enterprise" after a stint at Starfleet Medical. As the expected time of the stellar explosion nears, the ship malfunctions in odd ways, and the issue is traced to the computer core. Acting Ensign Wesley Crusher (Wil Wheaton), who had been working on a
Code of Honor (Star Trek: The Next Generation) and revive the woman's body. When Lutan demands to know the fate of Yareena, Crusher reveals that Yareena died, thus ceding the match to Yar and breaking the "first one" bond. Yareena is now free to select a new mate; she chooses Hagon (James Louis Watkins), one of Lutan's bodyguards, and effectively strips Lutan of his position of power. Hagon lets Yar go and gives the "Enterprise" their full supply of vaccine. Writer Katharyn Powers was invited to pitch a story for "The Next Generation" as she was friends with "Star Trek" writer D. C. Fontana. Alongside her writing partner