Marvin, Oona and Silky are playing hide-and-seek in the Underwater Cave. Silky tries lots of different hiding places but gets frustrated when Oona and Marvin find her easily. When it's her turn to look for her friends, Silky is too slow on land and is disappointed when she can't find her friends. But when she agrees to play once more, Silky finds a hiding place that's just right for her!