Greal: El secreto de las ocho llaves

Pep, a journalist who dreams of becoming a writer, bumps into a woman who then disappears, leaving behind a mysterious chest. With the help of Laia, an art history expert, he investigates the chest, traveling across Catalonia and following clues linked to the Holy Grail. Alongside author Javier Sierra, they overcome challenges and search for petal-shaped keys.