The film was selected by the Expert Committee of Serbia's Academy of Film Arts and Science (AFUN - Akademija filmske umetnosti i nauke Srbije).

The true story of Serbian King Petar Karađorđević is set during WWI. Although they won their first two battles, the Serbian army, decimated and hungry, must pull back across the frozen mountains of Albania. All seems lost to King Petar, until he finds solace in a vow he gives to one soldier's mother: he will find her son among the lost soldiers and give to him a pair of socks she made for him.

The project, which was adapted from the popular novel by Milovan Vitezović, won the Film Center Serbia 2017 contest focusing on national-themed feature film projects. The film is a coproduction from Serbia’s Zillion film and Greece’s Steficon.

Lazar Ristovski starrs in the film and is the producer. The cast includes Milan Kolak, Ivan Vujić, Svetozar Cvetković, Danica Ristovski, Aleksandar Vučković, Marko Todorović and Ljubiša Savanović.