Plot (Spoiler)

Lois’ mother, Barbara, hires a nanny for the Griffin family when she gets displeased with recent living arrangements for the kids. This enables Peter and Lois to revitalize with their love. However, they soon get tired of their couple time and nearly split up for good. The family nanny, Natalya, is actually a Belarusian assassin who saves Stewie from rival spies who open fire on the Griffin house.