Today it's all about elegance and expression on the catwalk. Under the guidance of designer Marina Hoermanseder and catwalk professional Jon Kortajarena, the models learn the secret of the perfect catwalk. From head position to the perfect turn – every detail counts! Then the big test: In Hoermanseder's designs, a challenging outdoor catwalk must be mastered. Who convinces Heidi and who stumbles over their own ambitions?