Qian Er, Sun San, and Li Si are three swindlers who specialize in swindling swindlers but are always swindled by swindlers. After being deceived by their childhood sweetheart Zhao Yunyun, they lost their love and money and were thrown into prison. Several years later, the three of them opened a debt collection company that specializes in seeking justice for men who were deceived by women. However, the first client they met was Zhao Yunyun's pregnant daughter, and the reward was the huge inheritance left by Zhao Yunyun. Why is Zhao Yunyun no longer alive? What is the relationship between this pregnant girl and the three uncles? The inheritance seems to hide unknown secrets...