After Akira Ninomiya miraculously survives a brutal attack by an unknown assailant wearing a “monster mask,” he becomes fixated on finding the attacker and getting revenge.

When an estranged friend resurfaces after 12 years, a prosecutor starts connecting disjointed events to unveil the truth behind her father’s tragic death.

Set along a backdrop of a fictitious second world war at an international city in Asia. In Japan, Lieutenant Colonel Yuki (Yusuke Iseya) recommends the creation of spy training school…