The protagonist Chen Fan was a martial arts stuntman from the Dragon Kingdom before traveling through time. He was trained by a hidden boxer and was proficient in modern martial arts such as Xingyi, Bagua, and Tai Chi. Traveling through time as the Black Iron Arena "Zero Sanqi", with complete modern knowledge and time-honored practical skills, coupled with the inner strength and mental skills of another world, and with systematic assistance, he rose to become a strong man in another world.