Fifteen-year-old Plum and her older sister Ginny find their relationship tested by family finances, personality differences, and the secrets they are keeping from each other.
When her former crush Sebastian Delacroix returns to town with his band and a major hit song named after her, shy high schooler Nattie starts to question her feelings for both Sebastian and her friend Zach.
When a girl who feels rotten about playing Second Banana in the annual food and nutrition pageant learns that the girl playing First Banana has stage fright, she suggests a solution to both problems.