The novel revolves around a history Ph.D. student and avid runner in New York City who becomes entangled in a deadly plot involving his estranged brother, a government agent, and a notorious Nazi war criminal living in exile. When a series of events leads to the murder of his brother and the revelation of a precious gem smuggling operation, the protagonist must use his wits and endurance to survive torture and chase, uncovering a harrowing conspiracy that forces him to confront his own family's secrets and a past that is inextricably linked to the horrors of the Holocaust.

"The Age of Grief" is a poignant exploration of the complexities of love, marriage, and family life. Through a series of interconnected stories, the book delves into the inner workings of a seemingly stable marriage that is confronted with subtle emotional shifts and the inevitable challenges of intimacy and fidelity. The narrative is anchored by the perspective of a male dentist who begins to suspect his wife, also a dentist, of having an affair. As he grapples with his suspicions and the nuances of his own feelings, the story examines the intricate dance of trust, betrayal, and the bittersweet moments that define the human experience of grief and longing within the context of close relationships.