While Pei Song was investigating the case, he met Si Yan (Shou). Si Yan was a painter specially invited by the team to restore the appearance of the murderer. Pei Song recognized Si Yan at first sight (love at first sight, isn't it amazing??). It happened that Si Yan's house was renovated and there was no place to live, so Pei Song successfully let Si Yan stay in his house. As they lived together, Si Yan gradually felt that Pei Song had different feelings for him, so he ran away. We will meet again 8 years later...
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