Kai is originated in Nothern Europe words and means "Warrior" or "Fighter". Someone that never give up. So for the meaning of the Kai Clan is the name of group of warrior who fight for their countries and stop the threat of the enemies. The Kai Clan project also been form by the government of Malaysia which would help on PDRM and SPRM force to support the case and threat. Not only for Malaysia, but for the whole Asian including Nusantara (Indonesia).

Tells the story of Ali dreaming of a factory full of heroin. then he decided to eradicate crime as chosen from the will of his ancestor, Nagasari. Ali wore a traditional shaped mask and red fangs. The netizen wanted to know the masked man who had done the vigilante work until the real brother wanted to find him.

Mikael has health and social problems in life. When his teacher found out about the problem, they helped Mikael learn about social life. That's where Mikael get his own enemy and involves a case of gangsterism that causes Mikael to got beat up. Suddenly, Amir Naga appeared to help him to face his enemy.

Amirul Adli had learnt karate. But his parents discover something wrong with his mind once he had problem in social. After high school, his parents found out his problem because of his result. He has mental issue so they trying to help him. Amirul confess his problem more to socials and his parent really concerned that its state that he is officialy schizophrenic patient. For a lucky draw, he was sent to loca civilation group to learn to control his mind. But it didn't turn out to be a counselar because the place is giving him a freedom that make him become more worse. He was given the name as Hellhound and take the mission as criminal. They trained him with the art of war to a killer. But for the result, he become a traitor and to be punished to death. So he fake his and return his family. - Finally, he had a counselar that he trust and for now his identity are kept as secret. But he want to do something good this time. As he was known as hellhound to Amir Naga the swordman hero with a purpose.