It's at once talky yet emotionally remote, and while posing a risky set of questions about sexual abuse, power and relationships, the experience is an unsatisfactory and draining slog.

It's a difficult film, and at times an ambiguous one. And appropriately so, because it's Una's film.

Una is a film of seismic shocks built to make an audience squirm. Mission accomplished.

Lurches headlong into controversial territory, unflinchingly presenting a painful story that offers no easy answers.