i mean, this coffee shop, this downtown of kyiv. >> reporter: there are those who fled in the first days of the war like mark wilkin and his wife olga, after a few days settled in berlin, they say something didn't feel right. so they drove right back to ukraine. what was that like? what was your frame of mind that day? >> it felt good. we felt determined, certain. and happy to be back, finally, to be able to make ourselves useful. >> reporter: the british/swiss filmmaker is now using this skill to create resistance fighters overnight all to raise funds for the war effort. >> i'm not a soldier. i don't know how to handle say gun. but i'm a filmmaker, i'm a communicata