Bringing Back Her Smile

Jacqueline or better known as Jax falls apart after her boyfriend broke up with her. She lost her smile. And no matter how hard she tried her best friend, Alexis couldn't bring it back at least not fully. Its a new school year and that means new people. Her best friend has three classes with her and in those three classes is also one of Alexis's friendenemies. He becomes close with them and Jax's heart starts speeding up every time she sees him. She never felt this way with her ex, what is happening?