Kassie is great - full of life, smart, healthy. But at the age of 40 she decides that she wants a baby, and without Mr. Right she decides to go it alone, and despite her neurotic best friend Wally's utmost protestations, she obtains the services of a sperm donor for artificial insemination. However, this does not go exactly to plan when Wally drunkenly exchanges the sperm donation with his own - but this mistake only comes to light 7 years later when he is finally introduced to Kassie's young child, who is also a little neurotic...