The Luo family in Bihua Mountain accidentally got a secret script called Thunderbolt from the Dark Sky. Sikong Tong, the "regional magician" of the Demon Cult, learned about it and washed the Luo family courtyard in order to steal the Luo's secret script. However, Luo Tianqiu did not say anything...

The story follows Aia, a detective that works directly for the king Arisu that rules present Japan, the first job she receives to deal with is the bombing attack that happened in the castle where the king lives in. With the team of five fellow detectives, she plans to discover the origin of the a...