Professor Layton, Luke Triton, Phoenix Wright, and Apollo Justice are transported through a strange portal to Labyrinthia.
Professor Layton and Phoenix Wright meet for the first time in the town of Labyrinthia and begin to collaborate.
The group begins investigating Lady Dahlia Carlyle's death, which is claimed to be murder by a mysterious force called the Darklaw.
They uncover the nature of the Darklaw, a paranormal entity that manipulates the town and arrests people seemingly at random.
Phoenix Wright defends the first accused citizen under the Darklaw in a surreal court trial where the Darklaw prosecutor speaks through the judge.
Layton and Wright discover that the Nightshard, a magical artifact, is connected to the Darklaw's power and the mystery surrounding Labyrinthia.
More villagers become suspects in the Lady Dahlia case, revealing dark secrets about Labyrinthia's past and its curse.
Phoenix Wright conducts another court trial defending the accused, challenging the Darklaw and unveiling contradictory evidence.
Luke and Apollo undertake a separate investigation into the town's history and magic with locals, learning about the curse’s origins.
The true cause behind the murders and the Darklaw’s manipulation is revealed, showing a conspiracy woven by powerful characters.
Phoenix Wright defends the final accused in a dramatic courtroom showdown that seeks to restore justice and lift Labyrinthia’s curse.
