With six children under the age of 10, the Bunker family can be a handful. In this volume of the popular children's series, the Bunkers pay a visit to their Cousin Tom, who lives near the seashore. Lots of silly hijinks ensue, but amidst all the happiness and hilarity, the children manage to lose a few items with a lot of sentimental value. Will they be able to find them before their vacation ends?