When Moe's Tavern is shut down by the health department, Homer refinances the house to save the bar. Infuriated by this, Marge decides to protect her investment and takes an active, hands-on role as Moe's partner. Marge gives the bar a facelift and boosts the clientele, while Homer has to stay home and play Mr. Mom. Meanwhile, Moe begins to develop deep feelings for his new partner.