What was the mysterious part, I don’t remember them talking much about it, other than Gus and his partner moving to Mexico and starting the chicken brothers as a front to selling meth, eventually getting in with the cartel. It seemed pretty cut and dry that Gus’ partner was murdered by the cartel and he chose revenge better served cold over 20 years, eventually making sure Hector’s life was miserable and killing the rest of the cartel with the poisoned tequila.
What was the mysterious part, I don’t remember them talking much about it, other than Gus and his partner moving to Mexico and starting the chicken brothers as a front to selling meth, eventually getting in with the cartel. It seemed pretty cut and dry that Gus’ partner was murdered by the cartel and he chose revenge better served cold over 20 years, eventually making sure Hector’s life was miserable and killing the rest of the cartel with the poisoned tequila.
The mystery is about what Gus did before coming to Mexico. The show implies he changed his identity, and only Don Eladio knew about it.