Even if Gong Zhiyu knew that Yun Weishang was the assassin, he was still willing to save Yun Weishang with his life.Therefore, he took the initiative to die in order to fulfill Yun Weishang.However, Yun Weishan had already been moved by his true feelings and did not hurt Gong Ziyu's vitals.In the end, Yun Weishan faked his death and escaped, and grew old together with Gong Ziyu under his new identity.At the same time, Gong Ziyu also made a comeback in his career, and eventually became a leader with strong martial arts skills and extraordinary strategies, and the outcome was considered to be a happy ending.

Gong Ziyu was originally the young master of the palace gate. He had a special bloodline that could activate the power of infinite flowing fire.However, during the palace incident, he was framed by the Wufeng faction, lost his father and brother, and was forced to flee the palace.During his escape, he met Yun Weishan and fell in love with her.Yun Weishan was originally a ruthless assassin sent by the Wufeng faction. Her mission was to obtain the secret tattoos on the backs of the palace swordsmen and use Gong Ziyu to open the Infinite Flowing Fire Box.However, while getting along with Gong Ziyu, she gradually changed her mind and developed real feelings for Gong Ziyu.

In the play, Gong Ziyu and Yun Weishan experienced many hardships and dangers. When the Wufeng faction discovered Yun Weishan's true identity, they tried to kill her and threatened Gong Ziyu to hand over the Wuliang Fire Box.At this critical moment, Gong Ziyu resolutely chose to live and die with Yun Weishan, and activated the Infinite Flowing Fire Box with his own blood.Two people were presumed dead after the Boundless Fire Box exploded.

However, in the finale of the play, we find that the two did not die, but faked their escape and had a conversation to grow old together.The two lived and worked peacefully in a secluded place and raised a pair of children.The two did not give up their resistance to the Wufeng Faction, but continued to lead a group of loyal subordinates to secretly attack the Wufeng Faction's forces and protect the people of the world.The two eventually became highly respected leaders with strong martial arts skills, excellent strategies, benevolence and justice.