A widower and aeronautical engineer named Steven Douglas raises three sons with the help of his father-in-law, and later the boys’ great-uncle. An adopted son, a stepdaughter, wives, and another generation of sons join the loving family in later seasons.

Teenage runaway Cheryl splits from Ohio and ends up in Los Angeles staying at an old rundown hotel full of weirdos. The weirdest of all is George and he has a crush on Cheryl.