Brooks Rattigan has the academic chops to get into his dream Ivy League school, but what he’s missing is an outstanding extracurricular – and the money. When he seizes on an opportunity to make some extra cash by posing as the boyfriend of a self-assured, combat boot-loving girl named Celia Lieberman, he finds he has a knack for being the perfect stand-in. Together with his programmer friend Murph, Brooks launches an app selling himself as a plus-one for all occasions. Along the way, he meets the girl of his dreams. But when business starts to boom, Brooks must reassess everything he was once sure of.