Ravaged by a killer virus, the Romulans enter Canara, where the only antidote can be found. Desperate, they incite a victorious *U.S.S. Enterprise* TM attack on one of their vessels, but Kirk discoves their ruse. Meanwhile the central computer has fallen in love with him, severely crippling the *Starship Enterprise* TM. Somehow Kirk must overcome the lovesick computer and bring the antidote to the Romulans, before the galaxy crashes over the brink of war.