International heartthrob Hero Fiennes-Tiffin may have girls around the globe screaming his name and asking for selfies, but the one thing he's never had is a real girlfriend. That all changes when he meets American student Charlie Hughes at a house party in South London. The actor falls hard for Charlie, a New Yorker who is only in London for the summer doing an art apprenticeship. Can their summer romance survive his fame, rumors of him dating his costar Josephine Langford and the fact that they live on opposite sides of the Atlantic Ocean?