Edward is an ordinary boy who wants to be a detective.
However, the Redhorn family is a well-known family.
The boy feels humble about his ordinary self compared to the reputation of the Redhorns.

Then one day, the father informs Edward of the secret power of the Redhorn family.

Thanks to the power of the family, Edward is filled with confidence. Later, Edward, who suddenly faced the scene of the murder, wants to solve the case on his own.