Phoebe Dust's days as a child star are over. Born and raised on the moon, she's shocked to discover her mom's tourist trap, the Lunar Link, is deep in debt and circling the drain. Determined to save it, Phoebe hatches a plan that accidentally rockets her alien sister, Luna, into interstellar superstardom. Overnight, the Lunar Link is swarmed with tourists, the perils of fame close in, and Nova Starr, the galaxy's most ruthless influencer, is plotting to claw the spotlight back by any means necessary. With the forces of fame, fortune, and cutthroat rivals pulling from every direction, Phoebe must keep her family's future from being blown into stardust.