Michael Robinson was born from a poor family.he dream to be a succesfull person,but that dream never come true.so he decide to rob a jewelry store,but being cought by a cops.the cops,not put him in jail,but make him as an army,because its year 1947,where American War is going on.after the war,Michael come back to San Fierro to begin a new lives as a cop.but,after being a cop,now he was a detective because he have a great detective skills.