Every story needs a villain, and on the Amazon Prime original series "The Summer I Turned Pretty," Jeremiah Fisher is about as close to a villain as we're going to get. Played by Gavin Casalegno, Jeremiah, younger brother to Conrad (Christopher Briney) and son of Susannah (Rachel Blanchard) and Adam (Tom Everett Scott), isn't a bad person, per se; he's just, essentially, a very spoiled boy who isn't given a good reason to properly grow up for most of original author Jenny Han's series. ( Han, who also penned the "To All the Boys I've Loved Before" novels that got a Netflix adaptation, served as showrunner for the adaptation of "The Summer I Turned Pretty." )

I can't stress enough that, at heart, Jeremiah is a decent kid who loves his mom, his family, and his friends — and a lot of st

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