The play tells the story of the growth of the passionate young man Xiao Yan. After Xiao Yan fulfilled his three-year agreement with Nalan Yanran, the Xiao family was suddenly attacked by the Yunlan Sect, and his father Xiao Zhan was also abducted by the other side. In order to save his father and revive the glory of the Xiao family, Xiao Yan returned to Canaan College at the suggestion of his master Yao Chen, intending to obtain the strange fire Fallen Heart Flame under the Tianfen Refining Qi Tower of the college, improve his strength and fight against the Yunlan Sect again. Here, Xiao Yan not only reunited with his childhood sweetheart Xiao Xun'er, but also met and accompanied other friends, facing the many challenges and crises of the Douqi Continent, and faced the difficulties side by side.