Jed Rosenthal hasn't published a book in fourteen years, the mother of his child left him in a 'trial separation' that has stretched on indefinitely, and he struggles to navigate the daily sorrows of their co-parenting arrangement. But the implosion of Jed's family is simply a footnote in the larger history of the Rosenthal family's decline. Just days after the JFK assassination, Karyn 'Cookie' Kupcinet was found dead in her Hollywood apartment. The press reported that the 22-year-old was strangled, yet unanswered questions linger to this day. Cookie's parents -- Chicago royalty Irv and Essee Kupcinet -- had been close friends with Jed's grandparents, but in the aftermath of her death, their friendship abruptly and inexplicably ended. Decades later, Jed pores over family stories, newspaper archives, old photos, and crime scene notes, believing that if he can divine the truth of Cookie's death -- whether it was suicide, murder, or part of a larger conspiracy -- it might shed light on a mystery closer to home.