A group of East High students countdown to the opening night of their school’s first-ever production of “High School Musical.” Showmances blossom; friendships are tested while new ones are made; rivalries flare and lives are changed forever as these young people discover the transformative power that only a high school drama club can provide.

Stillman, a heartbroken physics student, builds a time machine when his girlfriend breaks up with him. Going back in time, he attempts to save their relationship by fixing every mistake he made—while dragging his best friend along in the process.