John and Katherine Colby decide to put off parenthood until he has become wealthy. Their friends, Tom and Grace Donaldson, decide to start a family right away. While John works his way up to a position of power at a steel firm, Katherine begins to question the wisdom of their decision.
After his mining partner Joe Pelton's death, wealthy bachelor Richard Chester adopts Joe's five young children and takes them East by train. The children are hellions upsetting the calm of the Pullman car en route to New York City, and his home upon arrival. Richard enrolls them all in school...
When retired New England skipper Captain Purcell finds Kit as a baby in a storm, he adopts the child, who grows up to be an adventurous youngster of the docks.