"And in the meantime," she said, "all I have to do is just to sit here and wait and act as if nothing had happened. Oh, I can't! I've simply got to do something!"

"Well, I'm sure I don't know how a girl can do anything that the police can't," sighed Grace, adding wistfully: "Goodness, wouldn't I like a chance to be happy again!"

"I guess we all would," said Mollie moodily.

They were silent for a long time after that, each one busy with her own unhappy thoughts and no one noticed that the sun had gone under a cloud and that the wind was rising.

It was the increasing thunder of the waves on the rocks that finally startled them into a realization of the present.

"There's a fearful storm coming up!" cried Grace, springing to her feet. "Look at those banks of clouds."

"And I'm getting cold," added Amy, shivering, and then they suddenly realized that they still had on their bathing suits.

"I guess we're going crazy—and no wonder," said Grace, as they started indoors to change their things.

"Has any one any idea what time it is?" asked Mollie. "I'm sure I haven't."

"It must be after twelve, for I'm beginning to feel hungry," Betty answered.