Cyrus is haunted by the legacy of his parents, their struggles, and their losses. The novel delves into the complexities of inheriting trauma and how it shapes our identities, pushing Cyrus to confront the past in order to understand himself in the present.

Through his poetry, his fascination with martyrs, and his pursuit of family secrets, Cyrus is on a quest for meaning in a world that often feels chaotic and painful. His journey explores the different ways humans try to find purpose and understanding in the face of suffering, addiction, and uncertainty.

Poetry becomes a lifeline for Cyrus, a way to grapple with his emotions and make sense of the world around him. The discovery of the painting in the Brooklyn gallery suggests that art holds a powerful key to unlocking the secrets of his mother's life. 'Martyr!' illuminates how art and language can offer solace, reveal hidden truths, and ultimately become pathways to healing.