Much of that plan, which is never clearly explained, involves protecting the aforementioned Qilin, a rare creature (that conveniently didn't exist in the original "Fantastic Beasts" text ...

Jacob drinks Gigglewater, a beverage he had in the first "Fantastic Beasts" film ... Only one of the suitcases contains the Qilin, which is crucial to the group's plans. The other suitcase ...