Gregory Edgeworth wakes up at Hotti Hospital to discover that Manfred Von Karma has become the defendant for the murder of Yanni Yogi of what everyone is calling the DL-6 Incident. Though, it seems that his one and only son Miles Edgeworth was abducted by the real murderer. In order to find and rescue his son, Gregory must defend Manfred Von Karma in court to prove his innocence and find the real killer, while also facing off against his dark past of corruption, falsified evidence and the loss of his former lover. Will these two enemies set aside their differences to stop a common enemy and save the one person they would give their lives to save. After being rescued by a teenage greaser wannabe Junior Detective, Dick Gumshoe, Miles Edgeworth makes it his mission to help his father and the prosecutor that saved him from Yanni Yogi's killer. Together, Dick Gumshoe and Miles Edgeworth must investigate, then gather the evidence to be analyized and approved of by the Police Department before the killer finds out. Unfortunately, the killer is also the prosecution attorney for Yanni Yogi's murder. Will Miles Edgeworth and Dick Gumshoe beat the killer in his own game or will they become another piece to his mad man's game of cat and mouse?