I found the summary a bit confusing at first glance because it lumps together a lot of names without much distinction. The characters that get the most mention are definitely Credence himself, Nagini, and that mysterious man from the Lestrange family tree—Ezra, I think? The summary really centers on Credence’s quest for identity and his connection to these figures.
It also brings up Grindelwald and Dumbledore, but they feel more like looming background forces shaping his path rather than the immediate focus. The summary makes Credence’s internal conflict and his link to the Lestrange legacy the highlighted elements, which tracks with the film’s plot.
Honestly, I had to re-read it a couple times to sort out who was who, but that’s probably the point—mirroring Credence’s own confusion.