Robbie and Katie come home from their honeymoon to face the problems of newlyweds in a previously all-male household. Katie finds her role difficult, for Charley insists on continuing as the family cook and attending to all the laundry. Robbie becomes worried about her frequent weeping spells.

At school, Ernie meets Mike, who offers to play with him, but the family is exasperated to know Mike likes tomboyish pranks. Then there's a problem persuading Ernie to accept his new friend when he learns that she's really a girl.