When a teenage girl is desperately admitted to hospital after contracting an intense new respiratory virus, her doctor grapples with the decision to permit an emergency lung transplant at the risk of causing an outbreak.
Best friends Daya and Arlo spend a day together and navigate their friendship as Arlo prepares to move; riding bikes, sneaking cigarettes and trespassing.
Billie navigates her toxic and tumultuous relationship with her girlfriend Dylan as they get ready for a party.
