Accra has fallen, the Holy Grail is lost deep in the sea. At the same time the grand master Templar is slaughtered and the plot is starting a by letting Landry not knowing what to do... .

Landry and Parsifal search for a killer. The unexpected arrival of Pope Boniface in Paris threatens De Nogaret's carefully laid plans.

On the Pope's orders, Landry and Tancrede travel to invesigate the Holy Grail's whereabouts. Meanwhile, the plotting behind the royal wedding becomes deadly.

A look at the final days of Knights Templar during the 14th century.

A look at the final days of Knights Templar during the 14th century.

A look at the final days of Knights Templar during the 14th century.

A look at the final days of Knights Templar during the 14th century.

A look at the final days of Knights Templar during the 14th century.

A look at the final days of Knights Templar during the 14th century.

A look at the final days of Knights Templar during the 14th century.