Lin Yuan accidentally traveled to the world of martial arts and was involved in the entanglement between Qingfeng Pavilion, the Underworld Alliance and the imperial court. He is armed with modern knowledge, but must survive and grow in a troubled world full of swords, intrigues, and emotional entanglements. Friendship, love, responsibility, revenge, and redemption run parallel to each other. Lin Yuan gradually finds his own value in the challenge, which also leads the fate of the originally divided world to a new direction. In the end, a big picture related to the fate of the world unfolded, and Lin Yuan and others faced their own choices and destinations.