Grief-stricken and desperate, a man embarks on a cross-continental road trip, seeking solace and confronting the extremes of human nature while attempting to save the world. Nathan Soderquist, shattered by the loss of his wife and daughter, drives westward, his only companions the changing skies and the poetry he writes to document them. His journey is marked by a volatile mix of violence, nobility, cowardice, and bravery as he grapples with his internal demons and an external quest to combat evil. After a devastating accident leaves him injured, he continues his pilgrimage by bicycle and then on foot, his path increasingly defined by a thirst for revenge that could lead to his ultimate destruction or a chance at redemption.

The premise suggests a deeply introspective and potentially harrowing narrative, exploring the psychological impact of profound loss. The blend of poetic observation with brutal actions indicates a literary style that prioritizes character interiority and thematic depth. The 'darkly thrilling' aspect points towards suspenseful plot developments and a focus on the protagonist's volatile state. Readers likely anticipate a challenging but rewarding exploration of human resilience and the darker aspects of the human psyche.