Phoenix lives in the year 2026. She's a spunky high school girl who is the daughter of a famous astrophysicist. When she accidentally travels back in time to 2017, everything changes. Suddenly, she has to learn about the past on the fly while trying not to get caught. Somehow, her only ally becomes high school student, Braden Park, but she's seen his face before meeting him in person. He's an international superstar in 2026, but he can't stand Phoenix in 2017. Now Phoenix has to blend in, keep her true identity secret, try not to mess up the past, and figure out how to get back to her own time while still going through the obstacles of typical high school life.