Moreno-Garcia explores the seductive nature of ambition and the lengths to which individuals will go to achieve their dreams. Tristán, once a celebrated actor, is desperate to recapture his lost fame, while Montserrat yearns for recognition in a male-dominated industry. Their desires make them vulnerable to the promises of the enigmatic Abel Urueta and his cursed film. However, the pursuit of their ambitions leads them down a treacherous path where they must confront not only external threats but also the darker aspects of their own desires.

The novel delves into the power of belief – in the supernatural, in oneself, and in the narratives that shape our lives. The characters grapple with the lingering influence of Nazi occultism, a chilling reminder of the enduring impact of history on the present. Their experiences force them to confront the thin veil between reality and the supernatural, challenging their perceptions and forcing them to question the very nature of truth. The narrative highlights how easily belief can be manipulated and the devastating consequences that can follow blind faith.

At its heart, 'Silver Nitrate' is a story about the enduring bonds of love and friendship. Montserrat's unwavering devotion to Tristán is tested as they navigate the dangers unleashed by the silver nitrate film. Their relationship, already strained by unrequited feelings and the weight of unspoken words, is pushed to the breaking point as they confront supernatural forces and the ghosts of their past. Moreno-Garcia skillfully portrays the complexities of their dynamic, exploring themes of loyalty, sacrifice, and the enduring strength of genuine connection in the face of adversity.