Set in Southern California in 1991, the series centers on Jack Dunlevy, an ex-military man and no-nonsense guy who becomes a full-time parent when his wife decides to go to law school. He takes an unorthodox approach to keeping his teenagers, Frankie and Rachel, in line.
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.
Matt is a stubborn, widowed owner of a classic car restoration shop. When Matt's estranged daughter Riley and her teenage kids move into his house, the real restoration begins.