Fonda, a widowed Navy officer with 10 children, meets Ball, a widowed nurse with eight children. They begin dating and finally marry, despite the unhappy prospect of raising 18 children under one roof. The expected problems with food, privacy, and bathroom rights abound, as do jealousies among the children. One of Ball's sons begins to see Fonda's eldest son as a kind of hero, however, and barriers are broken even further when Ball announces that she's pregnant. With the new baby's birth the children decide they want a formal adoption so they can all be one family. In the end
Fonda's eldest goes to war, and one of Ball's daughters falls in love, two events that knit...