Left behind by her globe-trotting detective parents once again, Elodie decides to prove she's worthy of joining them on a case by setting up her own detective agency at her renowned New York City apartment, The Biltmore. When a pair of sapphire earrings mysteriously disappear from Mrs. Vanderhoff's apartment, Elodie is asked to solve the crime. With the help of her dog Carnegie and new friend Oscar (a self-proclaimed parkour master), Elodie begins her investigation the way any good detective would: looking for clues and potential suspects. Will Elodie and her friends have what it take to solve the mystery of the missing jewels? .