In a high-martial world, martial arts prodigy Lin Feng loses all his cultivation while fighting a great battle against the Demon Clan. Not wanting to become a burden to his wife, Lin Feng proposes a breakup, believing that letting her go is the best thing he can do for her. Instead, his decision leaves her in a desperate situation. Realizing his mistake, Lin Feng awakens a martial arts system and chooses to embark on the path of martial cultivation alongside his wife. Together, they face every challenge, punish the wicked, and eventually obtain the legacy of the Extreme Frost Martial Emperor at the Sea of Heroic Spirit Monuments. To protect the peace of humanity, Lin Feng resolutely accepts the Extreme Frost Martial Emperor's mission, becoming a guardian of the Northern Border and shouldering the responsibility of defending against the Demon Clan.