Two high school girls are best friends until one dates the other's older brother, who is totally his sister's nemesis.
Hailee Steinfeld
Woody Harrelson
Haley Lu Richardson
Blake Jenner
Kyra Sedgwick
Hayden Szeto
Alexander Calvert
Eric Keenleyside
Nesta Cooper
Meredith Monroe
Katie Stuart
Lina Renna
Christian Michael Cooper
Ava Grace Cooper
Laine MacNeil
Jena Skodje
