Magdalena Herrera is about to graduate high school, but she already feels like an adult with serious responsibilities: caring for her ailing grandmother; working a part-time job; clandestine makeouts with a girl who has a boyfriend. And then there's her secret, which pulls her into the basement each night, drains her of energy, and leaves her bleeding. A secret that could hurt and even kill if it ever got out—like it did once before.

Theater star Teddy McGuire is ready for all his dreams to come true. He and his best friend, Annie, have been counting down the days to the end-of-the-year drama club trip to New York City. To make it even more magical, if they can win the annual scavenger hunt, they’ll get a chance to meet their popstar idol, Benji Keaton. But the universe has other plans: when Annie can’t go on the trip, Teddy is forced to room with tech crew loner Sebastian, who has no interest in the scavenger hunt—or Teddy—and seems to have a secret agenda of his own.

Theo Briggs is a rule follower. He's a decent student in his junior year, an appeasing son, and a lifelong Christian, just trying to make it through high school unscathed. Caleb Raynard is a romantic. One of the few out-and-proud kids at Specter High School, Caleb's dating life has been hellish, to say the least—fraught with misread social cues and embarrassing situations—and Caleb is about ready to call the whole thing off. When Theo and Caleb meet in the basement of an old Catholic church that's rumored to be haunted, an instant and electric connection forms between them.

17-year-old Quell has lived her entire life on the run. She and her mother have fled from city to city, in order to hide the deadly magic that flows through Quell’s veins. Until someone discovers her dark secret. To hide from the assassin hunting her, and keep her mother out of harm’s way, Quell reluctantly inducts into a debutante society of magical social elites called the Order that she never knew existed.

Tai Go and his family have crossed an ocean wider than a thousand rivers, joining countless other Chinese immigrants in search of a better life in the United States. Instead, they’re met with hostility and racism. Empowered by the Chinese Exclusion Act, the government detains the immigrants on Angel Island in the San Francisco Bay while evaluating their claims.