Nearly follows same plot as Léon The Professional, and earlier, Paper Moon.
Principal photography on the film began in early November 2017 in Belgrade.
The film was not released on video on demand until January 3, 2020.
In May 2017, Dafne Keen was officially announced to be starring alongside Puerto Rican actor Luis Guzmán.
By the time shooting for the film began in July 2017, Guzmán had been replaced by Andy García.
Gravitas Ventures opted to give the film a limited theatrical release, while also releasing it to video on demand services worldwide on January 3, 2020. In the United States, the film was made available for purchase or rental on Amazon Prime Video, iTunes, Vudu, and other similar services.