"Hillary Clinton represents the worst of the Washington machine. The arrogance of power, corruption and coverup, conflicts of interest and failed leadership with tragic consequences," it said.
"The Washington machine is destroying the American dream," the narrator said.
The ad then cuts to Paul shaking hands with voters and speaking at his campaign launch in Louisville.
"It's time for a new leader and a new way," it said, and lays out some of Paul's plans: balancing the budget, requiring lawmakers to read bills and putting term limits on politicians.
A Paul spokesman would not disclose the size of the ad buy.