This time, a new baby is on the way, and it's a girl. Wrapped together with the standard conflict between mother and father, Mikey engages in a bit of sibling rivalry with his new sister.

After a single, career-minded woman is left on her own to give birth to the child of a married man, she finds a new romantic chance in a cab driver. Meanwhile, the point-of-view of the newborn baby is narrated through voice-over.