Erebus is one of Newt's fantastic beasts, who just happened to be the last MoonDragon. Newt saved Erebus from the hands of Gellert Grindelwald and raised her ever since, until one day she escaped his magical suitcase and started roaming about in NY, not knowing the dangers that lingered in the darkness. Newt goes chasing her to get her back before it's too late. Will he be able to get Erebus back before it's too late?