In the year before they become the orphans known as the Boxcar children, Henry, Jessie, Violet, and Benny Alden live with their parents at Fair Meadow Farm, where, although times are hard, they take in a family who has been stranded in their car during a blizzard.

Dubbing his new triplet sisters "the Trips," nine-year-old Jacob studies them for a science project by watching them grow and realizes they aren't just "the Trips" anymore, but individuals he has come to love

A dog with unusual communication talents loses his poet owner before rescuing two children trapped in a snowstorm and leading them to the poet's cabin, where the children explore the memories that the poet has left behind.