Spock cannot accept Jim's death and McCoy is shocked to find that the Vulcan may have gone off and fallen in tình yêu without the doctor's realizing it. Jim is faced with the true meaning of Spock's emotions and he's not sure he can handle it.
Spock falls victim to a psychic link and Kirk is caught up in the backlash. While Spock is catatonic in the throes of mental agony, Kirk suffers the physical fallout and McCoy fights to save them both and keep the ship in one piece