Gaudijev ključ

In order to fulfill his promise and hide the sacred object from a dangerous brotherhood that has been trying to get hold of it for centuries, Gaudí carefully fits it into his life's work, a magnificent building where it should be safe forever, and before his death he confides his secret to a young student.

Eighty years later, María, the granddaughter of Gaudí's student, has to find the relic, but she doesn't know where it is or what it looks like. Her only guidelines are her grandfather's riddles and the mysterious symbols that Gaudí imbued his works with. Members of a dangerous brotherhood are on her heels and time is running out...