Xin Nan, Bei Miao, Dong Shan, Xi Zhao, and Kun Zhong are the descendants of the fire village, the water village, the wood village, the metal village, and the earth village, respectively. Their bodies contain a mysterious gene. Under the use of the Guang Ying Armor they will receive magical combat armors that have been passed down since the ancient times. With these armors, they will become the embodiment of righteousness - Yan Long Xia, the Fire Dragon Hero, Hei Xi Xia, the Black Rhinoceros Hero, Feng Ying Xia, the Wind Eagle Hero, Xue Ao Xia, the Snow Mastiff Hero, and Di Hu Xia, the Earth Tiger Hero. As these heroes, they will fight against the emperor of the darkness and his minions. To disrupt the happiness of the community, the evil ones used pollutants to create a pollution monsters that destroys the environment and the peace of the community

After the Armor Heroes united to seal up the Dark Forces Monsters, the city regained its peace and happiness. Since Monster Ten was not successfully sealed up, Mei Zhen found Zi Yang, hoping that when danger and difficulty arises, Zi Yang would be able to seal up this last monster and would completely eradicate the forces of darkness on earth. Meanwhile the Five sealed in the Monster Sealing Box, in order to fulfill their quest for world domination, used the forces of darkness to entice an angry youth, and created new mutants to create havoc in the city.

炘南（吴建飞 饰）、北淼（柏栩栩 饰）、东杉（郭帅 饰）、西钊（张超 饰）和坤中（秦炎仕 饰）分别是来自五个不同村落的五位少年，因为继承了太阳系的守护者太阳星赐予地球的五颗光影石的力量，五人拥有了能够召唤神秘武器光影铠甲的能力。
他们的对手是邪恶而又残暴的暗影大帝。因为嫉妒地球的生机勃勃，暗影大帝派出了暗影五行魔入侵了地球。他们所带来的魔灵石拥有着黑化一切的能力，意在将地球上的生物赶尽杀绝。就这样，在代表光明的守护者和代表黑暗的暗影大帝之间，展开了一场激烈的战斗。少年们凭借他们的智慧和勇气，获得了一场又一场的胜利。