Henri "Halti" Haltiwanger can charm just about anyone, which comes in handy as a scholarship student at the prestigious FATE academy and as a trusted dog walker. There's only one person who seems immune to Henri's charms: his neighbor and classmate Corinne Troy. After she uncovers the truth behind Henri's dog walking job, she blackmails him into helping her change her image at school. Henri agrees and what started out as a mutal hustle quickly turns into something that surprises both of them.