Here's a recap of how The Summer I Turned Pretty season 1 ended, before season 2 premieres on July 14, including what happened to Belly, Conrad and Jeremiah.
The Summer I Turned Pretty' Season 1 Recap: How it Ended
Cast of The Summer I Turned Pretty on Prime
Jeremiah Fisher, The Summer I Turned Pretty Trilogy Wiki
TV Review: “The Summer I Turned Pretty” (Season 1)
Who does Belly end up with in The Summer I Turned Pretty? Here's
The Summer I Turned Pretty' 1x02 Review: Summer Dress - Fangirlish
Prime Video: The Summer I Turned Pretty - Season 1
What Age Rating Is The Summer I Turned Pretty? - Capital
The Summer I Turned Pretty Season 2 - Official Trailer
The Summer I Turned Pretty (TV series) - Wikipedia
The Summer I Turned Pretty': What Happened in Season 1?