Kathy and Gerardo have decided to celebrate their 20th anniversary by renewing their wedding vows. As the extended family gathers for the celebration, Gerardo takes the opportunity to put Zac to the test and see if he's worthy of his daughter Bianca. But as the day of the renewal ceremony approaches, Kathy is starting to question her own motives for getting remarried - and it may not be good news for Gerardo.