The Czech film Fours Suns (Čtyři slunce) directed by Bohdan Sláma has its world premiere today at the Sundance Film Festival in the World Cinema Dramatic Competition. The movie stars Aňa Geislerová, Jaroslav Plesl, Marek Šácha, Karel Roden, Klára Melíšková and Jiří Mádl. It opens in the Czech Republic on March 8.
There is a good description of the film on the Sundance Film Festival website.
The official trailer is below.