The general public are warned of a possible war against the Klingons, much to Spock and Nyota's dismay, and Katy,
Keeley and Annabelle are preparing themselves for the start of their first five year mission on the Enterprise. Leonard and Jack's disagreement declines further, and Katy proves herself by saving a cadet's life and healing Leonard (who found himself on the wrong end of a scalpel).