Complex sentence: The charismatic but rebellious student Karl is deeply loved by his father; while the younger brother, Franz, depicts himself from the outset of the play as a coldly calculating villain who plots to wrest the paternal inheritance away from Karl.
Split into simpler sentences: The charismatic but rebellious student Karl is deeply loved by his father. The younger brother, Franz, appears to portray himself as a cold, calculating villain who plots to wrestle away the paternal inheritance from Karl.