The treasure mentioned in this book is Chiljido which has caused innumerable disputes in the historian circle of Japan and Korea. Chiljido is made from the fourth century to the fifth century in Korea, while the question that if the treasured knife is given to Japan as a gift or it is offered by the king of Baekje is not agreed by both the countries, and they have been arguing on this question up to now. So lets follow the protagonists of the book to search for the lost Chiljido and make a correct interpretation of the history.
Pang Yi kembali beraksi! Kali ni pengembaraan mencari khazanah pedang bermata tujuh (shichishitō) yang boleh menjadi kunci perdamaian antara Korea dan Jepun yang berebut Pulau Dokdo sejak sekian lama. Jalan cerita menarik. Watak jahat dalam siri kali ni Yakuza tapi lemah sama macam Bong Pari.