When Lili joins a summer book club and claims to have never read Harry Potter, her whole life changes. Enter Theo, who helps her begin her journey into the wizarding world. After Lili become's addicted to the series, Theo promptly buys her an artefact that any Potterhead would appreciate, a Time Turner. Not just a pretty necklace, the Time Turner is real and really works. What initially starts out as a fun way to hang out more with the boy she likes, it quickly turns detrimental to her friendship with best friend Alexis, after she accidentally alters the moment in time that they met, making it so they never became friends. Lili must find a way back to Alexis or lose it all.