Zhu Lei, a poor boy, accidentally got a booklet with the name "Legendary Pawn Shop". He asked his friend Jiang Wu to find out more and found out that the pawn shop can only sell "human body tissue", and the huge amount of money in exchange is very tempting. Will Zhu Lei exchange his own body tissue for money? And how does Legend Pawnshop ensure the health of people who lack body tissue? What will happen when more and more people know about this pawn shop?