This drama is adapted from the manga of the same name by the author Kouki Yokoyama. The story tells that when Oda Nobunaga's great cause of world unification was just around the corner, a strange religion called the Kinmu Sect spread south of Lake Biwa.It is said that those who do not believe in this religion will suffer a terrible curse——.

In order to secretly investigate the truth about the Kinmu Sect, Nobunaga decided to entrust the Masked Ninja to take action... A young man (Daiki Sato) who hid in the dark as a ninja, eventually transformed into “Masked Ninja Red Shadow”.