After faking Grandad's death, the Brown family are still waiting for the insurance money to come through. Agnes has promised the money to Dermot and Maria, who are desperate for a place of their own, but the insurance company is starting to get suspicious. Will Agnes be able to keep Grandad out of sight, or will one of the family give the game away?

Baby fever hits the Brown household as a pregnant Maria prepares for motherhood, and Agnes is keen to give her new daughter-in-law her unique brand of advice about raising children. Maria is grateful when Agnes offers to look after the robot baby she has brought home from her prenatal class, but it turns out that Mrs Brown's babysitting techniques are not exactly orthodox. And Maria has some exciting news for the Brown family.