The unknown UP owner Long Kai Ran fed a stranger on the side of the road on his way back from a supermarket purchase, and the other person showed symptoms of food poisoning! Ryu Kai Ran, who wanted to leave, but his conscience didn't let him, returned to see what was going on, and took a look at Shepard, a canine who claimed to be homeless! Giving a helping hand - "If you can share the rent, anything?"

This comic comes from Mu Yu Nian Hua's online novel of the same name. The story begins during a late night discovery of a floating corpse in Dabazi Village, H County. After the villagers called the police, old Zhong and Zhang Kai drive there to handle the case. The body was discovered to be handcuffed and showing abominable methods of being killed. Nie Yun then lay down a seven days deadline for old Zhong and Zhang Kai solve the case. However, two policemen died during the process of apprehending the criminal, and the sole person implicated in it that could offer a clue to them was already found dead seven days prior ----