The book follows three kittens named Dot, Tot, and Trot who lose their mittens while skating and are punished at home, then set off on a string of whimsical adventures. They meet the Sandman, fall into the care of the wise Old Mother Catastrophe who teaches polite phrases and rewards them, and pursue the missing mittens after mischievous foxes take them. Later episodes bring encounters with Grandpa Growler, a household of three bears, and preparations for a surprise party, presented in playful verse and illustrated scenes that combine mischief, consequences, and simple lessons about responsibility and gratitude.