The world view sets the background of assassin biographies, with the world of Juntian Continent being full of bloodshed and the imperial court in turmoil. Qiankun Kanli is the fourth brother of the same sect, and he is taught by the legendary old man Bu'er. This time let's watch them join hands to conquer the world and bring peace to the world. The ages are set as Gongsun Qian is twenty-one, Zhong Kunyi is twenty, Qi Zhikan is fourteen, and Murong Li is thirteen.