Kassie is a smart, fun-loving single woman who, despite her neurotic best friend Wally’s objections, decides it’s time to have a baby – even if it means doing it herself… with a little help from a charming sperm donor. But, unbeknownst to her, Kassie’s plans go awry because of a last-minute switch that isn’t discovered until seven years later… when Wally gets acquainted with Kassie’s cute, though slightly neurotic, son.

A newly married couple, in the process of starting a family, learn many of life's important lessons from their trouble-loving retriever, Marley. Packed with plenty of laughs to lighten the load, the film explores the highs and lows of marriage, maturity and confronting one's own mortality, as seen through the lens of family life with a dog.