Sergeant Major Eismayer, the toughest and most feared instructor in the Austrian Armed Forces, keeps a secret, which threatens his job and his family, carefully hidden from the public: he is gay. He spends a lot of effort to keep his double life a secret. When the openly gay Falak joins the unit, Eismayer clashes with him but is also drawn to the provocative Falak. His heteronormative life is more and more shaken. For a man like Eismayer, the traditional role model of the soldier is not compatible with a gay relationship. Will he remain true to his image as a tough macho man or follow the call of his heart? And can the two men even be compatible at all? Based on the real lives of Sergeant Major Charles Eismayer and Major Mario Falak.