To relieve the boredom of a long, hot summer, Mr. Putter and his cat Tabby join their fun-loving neighbor, Mrs. Teaberry, and her mischievous dog Zeke on an adventurous sightseeing boat cruise.
Disliking her name as written in English, Korean-born Yoon, or "shining wisdom, " refers to herself as "cat, " "bird, " and "cupcake, " as a way to feel more comfortable in her new school and new country.