A woman is killed by a poisoned dart in the enclosed confines of a commercial passenger plane…
From seat No.9, Hercule
Early one morning in Paris, the tranquillity of the Sorbonne University is shattered by a death. But why would Albert Cadas, a quiet, crumpled professor of medieval literature, have any reason to kill himself? Meanwhile, Valentine Savi, a talented young restorer, receives a visit from an enigmatic elderly gentleman with a unique commission: to restore a priceless manuscript whose time-worn pages promise to reveal the truth of a mystery that has fascinated scholars & writers for centuries.