As Layton, Luke, and Remi delve deeper into the mystery, they uncover a plot involving the legendary lost city of Ambrosia, which is said to hold the key to eternal life. They learn that the opera house is actually a replica of Ambrosia and that the contestants in the game are vying for the chance to unlock its secrets.
As they race against time to solve the puzzles and riddles that lead to the truth, they encounter a variety of colorful characters, including the enigmatic Janice herself, the eccentric pianist Ozro Vislar, and the mysterious diva known as the Eternal Diva.
As they uncover the truth behind the mystery, Layton and his team must confront their own beliefs about eternal life and the consequences of seeking immortality. In the end, they must make a difficult choice that will determine the fate of Ambrosia and all who seek its secrets.
Filled with thrilling twists and turns, heartfelt moments, and brain-teasing puzzles, "Professor Layton and the Eternal Diva" is a captivating adventure that will delight fans of the beloved video game series and newcomers alike.