During the livestream, Epic showed off the new mode, skins, and grappler gun for the first time. Four safes are loaded in supply drops scattered throughout the map. You and three others must work together to find the safes, extract the valuable item inside (it’s a jewel llama, of course), and then get to the extraction zone without dying.
Source: N4G PC New Fortnite Mode "Getaway" Completely Changes The Game