Bucky is a 16-year-old aspiring director who dreams of becoming the next arthouse auteur sensation. After a strange meteor crash lands in his backyard and turns his deadbeat father into a brain-eating zombie, Bucky and his friends seize the opportunity to create the ultimate horror flick, starring his undead dad.

In 1999, teenage sisters Celeste and Eleanor survive a seismic, violent tragedy. The sisters compose and perform a song about their experience, making something lovely and cathartic out of catastrophe — while also catapulting Celeste to stardom. By 2017, the now 31-year-old Celeste is mother to a teenage daughter of her own and struggling to navigate a career fraught with scandals when another act of terrifying violence demands her attention.