Only a few ordinary people are lucky enough to get to date a famous celebrity. Alyssa Thompson was never the type of teenage girl to get starstruck until, one night, when her two best friends drag her to a Shawn Mendes concert. Alyssa gets trapped in an elevator with Shawn and the two of them quickly get to know each other. It doesn't take long for Alyssa to realize she was wrong for judging him before getting to know 'the real' Shawn. And will Alyssa make an even bigger impression on Shawn? Soon after, Alyssa's long time crush from Middle school begins to finally notice her, which makes her life begin to spiral out of control.