Original sentence: Thematically,  the plot of Nemesis is an example of power corrupting and the need for vengeance driving an individual over the edge to his doom, as best exemplified in the original series films by Khan in Star Trek II: The Wrath of Khan and in literature in Moby Dick
Edited sentence: Thematically, Nemesis is yet another example of power corrupting and the need for vengeance driving an individual over the edge to his doom (as best exemplified in the series by Khan in Star Trek II: The Wrath of Khan); again, Moby Dick