As Russia's unconscionable war on Ukraine wears on, the local and global response to it has shifted from shock to fury to numbed despair - and the already substantial library of documentaries made in response to it has likewise varied in focus and tenor.

Sundance: With first-person POVs captured by Ukrainian soldiers' body cameras, Oscar winner Mstyslav Chernov places you directly into combat, sometimes to numbing effect.

Mstyslav Chernov returns to Sundance with a new story of the Ukrainian counteroffensive and the slow, deadly effort to liberate a tiny village.