mr. shapiro was known as "mr. big" in south beach. >> narrator: he takes in nearly $1 billion with false promises of huge returns. >> the truth was,= there no business. >> it was simply money in, money out. >> narrator: but the fun can't last forever. >> ponzi schemes don't have happy endings. they're not designed to have happy endings. [ whistle blows ] >> narrator: it's august 2011 in miami, florida. as day dawns on a new football season, fans of the university of miami eagerly await their team's debut. miami filmmaker billy corben directed "the u," a documentary about the team. >> in miami, it's safe to say that fans have been spoiled, in that, at the start of every new season, we've come to expect that this could be yet another national championship. >> narrator: but this year, from the university of southern california to ohio state university, scandals have tainted college football. little do the hurricanes' loyal fans know, the real deluge is about to begin. >> it's the university of miami's worst nightmare