The "Mexican" is not a person, but an antique pistol. There is a legend attached to it. The tragic ending of the story makes this gun have a dangerous ominous omen. Everyone who holds it will suffer an accident. Now, the gangster Jerry (Brad Pitt) is facing a choice: either take over the task of the gangster boss and go to Mexico to retrieve the gun; or listen to the words of his beautiful girlfriend Samantha (Julia Roberts), cut off contact with the underworld, and become an upright person. Of course, offending the gang is tantamount to getting into trouble. Jerry thought about it again and again, and decided to retrieve the "Mexican" and wash his hands after doing this. After rushing to Mexico, Jerry experienced a tortuous process of searching for a gun in a foreign land. The mysterious curse of the "Mexican" also gradually emerged-Samantha was kidnapped by the gangster boss, threatening Jerry to bring the gun back intact. Jerry's road ahead faces dangerous gang forces, the ancient curse of the pistol, and the true meaning of love waiting for him to discover.