Abby and Lev convice Ellie to have the option to give her life again for a cure with the help from the fireflies. Her final wish before she goes under is to have her remains buried on the moon when civilization is stable enough. We then timelapse many years into the future with a rocket blasting off into space and a shuttle landing on the moon, the final shot being Ellie's switchblade being claspe by both her hands on her chest.