A 23-year-old man must enlist his family to help him raise a baby that is the result of a one-night stand with a wanted felon.

Mike returns after going through a spiritual quest with a wife and her other three husbands in tow. Burt attempts to fix the relationship between his brother and Mike.

The Chances reminisce about the year Jimmy turned 18 - when Maw Maw kicked them out of the house, when a goth Jimmy took up residence in the grocery store and when Burt and Virginia finally figured out how to be adults.