Thousands of people there are 'dying from/of hunger'. [=dying because they do not have enough food; starving to death]
She has threatened to 'go on a hunger strike' [=refuse to eat] if her colleagues are not released from prison.
The film's scenery is beautiful, but the plot is (strictly) 'from hunger'.
(..) - Okay, All right. - Let's do it again. - She's warming up. All right. With energy. Go. People of Panem, we fight! We dare to end this hunger for justice! You've just been in battle! I'm sorry. Excuse my outburst. You've just been in battle. Let's try it again. Whenever you're ready. (..)2014 The Hunger Games: Mockingjay - Part 1
(..) Start with what you know is true. My name is Katniss Everdeen. My home is District . I was in the Hunger Games. I escaped. Peeta... Peeta was left behind. Miss Everdeen? You can't be in here. I had a nightmare. Just five more minutes. (..)2014 The Hunger Games: Mockingjay - Part 1