This is one of the best shows that you could ever see from "Star Trek: Voyager"--one that you shouldn't miss. In many ways, it reminds me of the movie "Regarding Henry" and offers some truly touching moments.
On a shuttle mission, Mr. Tuvok is attacked by a cloaked alien. The attack is so serious that Tuvok's memory is gone and he has no idea who he is. Additionally, his Vulcan persona is gone! Scared, he reaches out to the crew member who sticks with him through all this, Neelix. Soon the pair become inseparable and you see a very, very different sort of Tuvok. He smiles, he's happy and he's having fun with his new best friend. And, because he's not the ultra-logical guy, he and Neelix create a special bond. However, if Tuvok is restored, what will become of his affection for Neelix?
This is an incredibly satisfying episode. It also helps you to see that although Tuvok always seems exasperated with Neelix and wants to avoid him, perhaps there has always been some genuine affection lying deep under the surface. Exceptional and well worth your time.