Veneno offers a profoundly positive and affirming portrayal of transgender lives, focusing on the complex and dignified journey of La Veneno. It sensitively depicts the societal challenges faced by trans individuals, framing them as external obstacles, while consistently celebrating their resilience, identity, and worth.

Veneno offers a profoundly positive and affirming portrayal of transsexual characters and themes. The series meticulously depicts the life of Cristina Ortiz Rodríguez, 'La Veneno,' and other trans women with dignity, complexity, and agency, showcasing their resilience and chosen families. It critiques societal prejudice while consistently affirming the worth and validity of trans identities and lives.

The film portrays the pervasive influence of conservative Catholicism in Spanish society, depicting how religious dogma and societal norms contribute to the marginalization, judgment, and suffering of transgender individuals. The narrative critiques the institutional and societal application of these beliefs when they foster transphobia and exclusion.