Yu Shenghan is the only person whose identity is exposed in the mysterious organization "Hanying Pavilion".
Mo Nuan is the third son of Prime Minister Mo, and Prime Minister Mo is the one who intervenes in the world and wants to play with the martial arts.
Lu Xue and Yu Shenghan rode together in the knight errant world when they were young.
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At the beginning of the story, Yu Shenghan was besieged and her life and death were unknown. Mo Nuan took medicine and fell asleep. When he woke up, there was no news about Yu Shenghan...