In this Ace Attorney spin-off game, taking place between Phoenix Wright: Ace Attorney - Trials and Tribulations and Apollo Justice: Ace Attorney, prosecutor Miles Edgeworth investigates a series of cases related to an international smuggling ring. He is assisted by detective Dick Gumshoe and self-proclaimed "Great Thief" Kay Faraday, while his investigations also lead him to cross paths with Interpol agent Shi-Long Lang.