When Star and Michael Emerson die in a car crash, their daughter Luna is understandably distraught. While sorting their belongings for Goodwill, she stumbles over some very old journals belonging to her mother. These journals call everything Luna has taken for granted into question. A trip to Santa Carla—one meant to shed some light on the subject—causes yet more confusion. Who are the gang mentioned in Star’s journal? And why does Luna’s new love-interest, who appears only a few years older than herself, remember Star and Michael?