<P> The series was created by Whitney Blake and Allan Manings, a husband - and - wife writing duo who were both actors in the 1950s and 1960s . The series was based on Whitney Blake's own life as a single mother, raising her three children (Including future actress Meredith Baxter) after her divorce from her first husband . </P> <P> Ann Romano, a divorced mother, moves from their home in Logansport, Indiana to Indianapolis with her daughters, the rebellious Julie and the wisecracking Barbara . Ann frequently struggles with maintaining her role as mother while affording her daughters the freedom she never had as a young woman . David Kane, Ann's divorce lawyer and neighbor, takes a romantic interest in her, but she isn't ready to remarry . Dwayne Schneider, the building's quirky superintendent (most often referred to only by his last name), provides usually unwanted advice to the tenants . </P> <P> After David takes a job in Los Angeles, the focus squarely rests on Ann's dilemmas as a single mother and career woman as well as the girls' growing pains, with Schneider becoming a more welcomed part of the family . Ann's strained relationship with her ex-husband Ed slowly mends, as does the girls' relationship with his new wife, Vickie . Julie and Barbara advance through high school and into the working world, and Julie eventually marries flight attendant Max Horvath . Alex, the orphaned son of Ann's deceased boyfriend, moves in, changing the dynamics in the female - dominated apartment . Later in the series run, Julie gives birth to a daughter, "Little Annie" Horvath, Barbara marries dental student Mark Royer, and Ann's mother Katherine moves nearby . </P> <P> In the penultimate episode, Ann decides to take a job in London, leaving her daughters in Indianapolis to raise families of their own . In the series finale, Schneider also leaves town, moving to Florida to take care of his niece and nephew . </P>

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