The protagonist of history is a Tahiti-Hiraga Keaton,the son of a Japanese zoologist Taihe Hiraga and an English-born Patricia Keaton. Keaton`s parents divorced when he was five, and the young Tahitian returned to England with his mother. He studied archeology at Oxford University, where he met his future wife - mathematics, student Somerville College. They later divorced,Yuriko five year old daughter stayed with her mother. Keaton joined the British Army and joined the detachment of Special Air Service, where he attained the rank of sergeant. These skills help in the work of Keaton: he investigates insurance claims for Lloyd`s of London. Besides,he and his friend Daniel O`Connell own private detective agency in London. However, Keaton wants to continue the archaeological research on the possible origin of the ancient European civilization in the Danube basin.