The life of our character changes when the king is killed through a forbidden technique on the holy day. When he is about to die, he finds a merchant. The assassin is sold to the leader and her life comes to a different point. He has devoted himself to his owner and duties by leaving everything he knows behind. When he is sent to do an impossible task, he finds out about his old life and learns that his new life is a fiction. To get back what is right, he must take revenge and return.