Zsófi (Dorka Gáspárfalvi) moves to a new elementary school and becomes friends with Liza (Dorottya Hais).

The film features the choir of the Bakáts Square Musical Primary School from Budapest.

The film's plot is based on a story that director Kristóf Deák heard from a Swedish friend.

[8] The first screenplay was written in 2012 with two English comedians Bex Harvey and Christian Azzola, and was originally set in an English-language environment instead of Hungary.

In 2014 Deák rewrote the screenplay and received a funding of 8,000,000 forints from the National Media and Communications Authority (the highest amount that can be awarded for short and experimental films).