"We can see ourselves in each of these people, and that's the point of storytelling,” Seyfried tells PEOPLE of the show, now streaming on Peacock

"Long Bright River" co-creators Liz Moore and Nikki Toscano on the biggest changes from the book, Amanda Seyfried's prep and a possible Season 2.

It still feels surreal for Philly novelist Liz Moore. It was only a year ago she was standing on the set of "Long Bright River," a TV adaptation of her Kensington-based novel inspired by her years of volunteering in the infamous open drug market.