During a big snow, Mr. Putter decides to write a mystery novel, but what he ends up with is entirely different.

Rosie, Lily, and Tess, three cousins who are living together with their aunt, decide to make a miniature flower shop just like Aunt Lucy's real shop, and give it to her as a gift.

Poppleton the pig goes stargazing, tries out a new bed before he buys it, and goes sailing for the first time.

While staying with their aunt for a year, three nine-year-old cousins keep busy baking and selling cookies, putting on a poetry and singing performance, and trying to encourage a romance between their aunt and one of their former customers.