Gates McFadden is showcased in this tremendously dramatic episode. Ms. McFadden's performance is outstanding. She absolutely carries the story and in the process demonstrates the depth and breath of her talent. In this episode, her character puts her reputation and life on the line to prove a point. Her character is brave, courageous, valiant, and successful. Ms. McFadden invests her character with a dignity and determination that is admirable and worthy of note. The story itself is plausible as the good doctor investigates what seems to be the results of a tragic experiment that has failed. Yet, acting on her suspicions, and without the support of the captain who wants to put the matter to rest, she investigates further and uncovers the truth which vindicates the work of a discredited colleague and exposes a nefarious plot to steal a scientific discover for aggressive purposes. This episode is wonderful and Gates McFadden is great.