Peter gets jealous of Lois when she upstages him at a Red Sox fantasy baseball camp. Meanwhile, Stewie runs away from home when Meg is left to babysit him.

When Chris' Mexican girlfriend, Isabella, gets deported, he volunteers to take care of her twin babies. After learning that Isabella can't come back to the U.S., the Griffins go to Mexico to return her children. Then, Peter's past as a sperm donor catches up to him when many of his children show up unannounced to his house.