Based on the 2018 best-selling book with the same name, which in turn is based on real events. The story spans 70 years and several generations. After a fierce argument with his wife, successful author Alex realizes that he must get to the bottom of the issues that plague him to save his marriage from collapse. Through diaries and letters, he begins a journey into his own childhood memories and as far back as the 1930’s. He uncovers a secret, and potentially dangerous, love triangle involving his maternal grandparents, both famous and recognized authors in their own right.