故事发生在重庆的一个防空洞里有一家火锅店是由三个好兄弟一起开的但是他们没有经历店铺的经验导致火锅店很快便关门了他们欠下了巨额的条款只能转让店铺才能够还清债务于是兄弟三个商量。如何让店铺能够卖个好价钱他们三个人打起了挂羊头卖狗肉的主意自行的网防空洞里面开始挖并且扩充饭店的空间在扩充的过程中却早出了银行的金库仅有移动资格，他们离银行的金库十分的近钻进一个洞之后就能够发现银行的金库面临着火锅倒闭和银行金库只有移动资格的时候他们眼见随手可得的现金却还是想建功立业，在他们矛盾的时候，三个兄弟遇上了一位女同学并且他们在小的时候还给老大写过情书现在在银行上班，于是这四位老同学因为这一个防空洞而重新的聚集在了一起，接下来将会发生什么事情

The story happened in an air-raid shelter in Chongqing. There was a hot pot restaurant opened by three good brothers, but they had no experience in the shop. Soon they closed down, they owed a huge amount of terms, and they could only pay off the debt by transferring the store, so the three brothers discussed it. How to make the store sell at a good price? The three of them came up with the idea of selling dog meat. They started digging in the air-raid shelter and expanded the space of the restaurant. In the process of expansion, the bank's vault was out of the bank's vault and they were only qualified to move. It is very close to the bank's vault and after drilling a hole, they can find that the bank's vault is facing bankruptcy and the bank's vault is only eligible to move. When they see the cash at hand, they still want to make contributions. The brothers met a female classmate and they wrote love letters to the boss when they were young. Now they work in the bank, so the four old classmates reunited because of this air-raid shelter. What will happen next? What