After the death of his best friend, Eric Ly creates imaginary scenarios in his head to deal with his grief. Until one of them becomes real when a boy he met last summer in Japan finds his way back into his life. When he least expects it, Haru Tanaka walks into the coffee shop and sits down next to him. The only thing is, nobody else can see him. In a magical turn of events, Eric suddenly has someone to connect with, making him feel less alone in the world. But as they spend more and more time together, he begins to question what is real.

Seventeen-year-old Julie Clarke has her future all planned out—move out of her small town with her boyfriend Sam, attend college in the city; spend a summer in Japan. But then Sam dies. And everything changes. Heartbroken, Julie skips his funeral, throws out his belongings, and tries everything to forget him. But a message Sam left behind in her yearbook forces memories to return. Desperate to hear him one more time, Julie calls Sam's cell phone just to listen to his voice mail recording. And Sam picks up the phone.

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.

Seventeen-year-old Zach was visiting his uncle in a small Montana town when a mysterious illness ripped through the world. Most died, but those who survived the Infection became mindless killers, spreading the disease with a single scratch. Now, a year later, civilization lies in ruins, and Zach is the town's sole survivor. Desperately lonely, he longs to return to his family in Seattle, but his fears hold him captive.

It's not that he's a bit of a nerd or likes to cosplay. It's not his taste in books. Techno-thrillers are cool, right? It's not that he's a gamer, or even how obsessed he is with movie and book quotes. No. His big secret, the one that keeps Noah up at night, is that he's gay. When that tightly sealed away part of him finally comes to a boil and he can't keep his secret any longer, Noah takes a chance and lets everyone in on his secret. All he wants is to be free of its burden and able to live his life as his true self.