Andi is contemplative and artistic and sheltered by overprotective parents. But on the eve of her 13th birthday, Andi’s free-spirited older sister Bex returns home with a revelation that changes everything and sends Andi on an uncharted course of self-discovery.

Following the outbreak of a virus that wipes out the majority of the human population, a young woman documents her family’s new life in quarantine and tries to protect her infected sister.