When the mysterious Espella is pursued through London by a bewildering force, she desperately seeks help from legendary puzzle investigator Professor Layton and his assistant Luke Triton. However, before the duo are able to work out what’s going on, Espella is suddenly kidnapped. While attempting to track her down, Layton and Luke encounter a strange book and are transported to the outlandish medieval city of Labyrinthia – a place allegedly inhabited by witches and magic!
Meanwhile, defence attorney extraordinaire Phoenix Wright and spirit medium-in-training Maya Fey also find themselves teleported to Labyrinthia after discovering the same book during a business trip to London. When he realises that Espella is be put on trial as a witch, Phoenix decides to defend her in court. While Phoenix learns the bizarre laws of the land, Professor Layton sets out to solve the mysteries of Labyrinthia – but can the two masters of their professions work together long enough to save the day? Uncover the truth in Professor Layton vs. Phoenix Wright: Ace Attorney, only on Nintendo 3DS!