Heatstroke starring Leah Pipes, Michael Welch and Paul James Jordan marks Morais' narrative directorial debut. The short film had its world premiere in the official selection at IndieLisboa International Film Festival on May 4th 2019, where it competed for the Short Film Grand Prize. Heatstroke was also an official selection at FEST New Directors New Films Festival, Tallinn Black Nights Film Festival, Beverly Hills Film Festival, Method Fest Independent Film Festival among others. The film won a CinEuphoria Award for "Best Screenplay" and "Top Short Film of the Year".
In 2019, Edgar was as one of only 10 actors selected to take part in "Passaporte", an initiative created by the Portuguese Academy of Cinema (Academia Portuguesa de Cinema) to present and promote Portuguese cinema talents to some of the most influential casting directors in the world.