Watch Age of Valiant (2020) Official Trailer

At the forefront of most of Hong Kong's demonstrations, 'frontliners' (aka 'the valiant', yung mo in Cantonese) are the black-clad, masked, often armed youth willing to use violence against the HK government and its heavily-armed police force. Willis Ho's remarkably revealing doc approaches from the inside, giving them voices and offering understanding, not judgment.