The game is set after Phoenix Wright: Ace Attorney - Justice for All.
Ep. 1: Checkmate and Turnabout: The basic tutorial trial, for the game. Maya, is the replacement attorney for Phoenix. As he unfortunately slept in and will be late to the court house, Maya is to defend a painter, who is accused of strangling someone whom he was painting.
Ep. 2: High School Turnabout: Phoenix is asked to represent a custodian by a fellow employee. The custodian is accused of stabbing a student. Along the way, he faces a new prosecutor, ex-Navy Lieutenant Hawk, who doesn’t approve of the way Phoenix has handled some of his cases.
Ep 3: Turnabout Daredevil's: Dragged to a stadium event by Maya and Pearl, Phoenix takes the case of a stunt driver, who is accused of robbing a bank and hitting and killing a pedestrian with their vehicle, all while unveiling a secret plot against the defendant. Along the way, Phoenix discovers a little more of Hawk's past, and finds out his true character.
Ep 4: Turnabout Legends: Phoenix and Maya are invited to a celebratory dinner at a Navy base. But murder and mayhem is the only thing on the dinner menu. Gumshoe is accused of murdering a Navy Captain, leaving it up Phoenix to defend the helpless Detective. In an epic trial, the truth must be uncovered and a past trial revealing Luis Hawk's secret will be discovered. But with a case with so many unanswered questions Phoenix will need his friends to help him find the truth of this dark case.