Taichi Hiraga Keaton, the son of a Japanese zoologist and an English noblewoman, is an insurance investigator known for his successful and unorthodox methods of investigation. Educated in archaeology and a former member of the SAS, Master Keaton uses his knowledge and combat training to uncover buried secrets, thwart would-be villains, and pursue the truth...

Taichi Hiraga Keaton is a busy insurance investigator who yearns to make a living as an archaeologist. Just how long does he have to continue working as an investigator? Keaton is uncertain of his future, but he does know that a string of difficult cases awaits him!