In the early 1990s, she made some minor appearances in films such as Escenes d'una orgia a Formentera by Francesc Bellmunt (1994) and En brazos de la mujer madura by Manolo Lombardero (1996).

[2] In the 2000s, the actress was very active in film and television, besides working as a theater teacher, assistant director, and actor trainer.

[5] Although up to that point, Trnez's appearances in film and television had consisted of minor roles, the 2010s would bring greater national recognition for the actress.

[8] Her said performance earned her a Gaud Award nomination in 2017[9] in the "best female lead" category, losing to Emma Suárez.

In 2016, she appeared in the films Contratiempo and 100 metros, before joining the cast of the television series Cuéntame cómo pasó and El fin de la comedia in 2017.