In Christian tradition, the Holy Chalice is the sacred vessel Jesus used during the Last Supper. Over time, 12th-century Arthurian legends intertwined this artifact with the story of the Holy Grail?a mystical relic believed to possess miraculous powers. The legend eventually claims that this Grail was the vessel used to collect Christ's blood, carried to Hispania by Joseph of Arimathea.

The Bluthund Circle, an enigmatic group born from the depths of social networks, unites researchers from diverse fields who specialize in solving complex, mysterious cases. Their methods blend scientific rigor with ancient wisdom and esoteric knowledge, drawing from the arcane secrets of various cultures.

In a thrilling twist, the Circle assigns four young agents from different corners of the world to investigate a discovery in Argentine Patagonia, believed to be linked to the Holy Grail?rumored to have been brought to these distant lands by the elusive Knights Templar.

This gripping historical thriller will keep you on the edge of your seat, unraveling secrets and mysteries until the final page.