Sixteen-year-old Rain strives to maintain a calm environment for her autistic twin brother Ethan, but her role as his reliable anchor faces uncertainty when Ethan seeks to become more independent and Rain ventures out of her comfort zone and starts dating her school crush, Liam.

Despite his overwhelming fear of interacting with people, Christopher, a mathematically-gifted, autistic fifteen-year-old boy, decides to investigate the murder of a neighbor's dog and uncovers secret information about his mother.

Lenny follows Roxy for a school project and learns about her family life as someone with special needs.

"Harmony House is more than a "special place for special people." It's a think tank where high-functioning autistic savants harness their unique abilities for the benefit of society. Resident Eddie Parks' contribution is nothing less than extraordinary: an "echo box" that can re-create never-recorded sounds using acoustic archaeology. All Eddie wants is to hear his late mother's voice. But what he's created is inadvertently posing a threat to national...