If he wished to swim in that cove, no matter who might be there, he was perfectly free to do it.

And he would do it, by George! He had been betrayed, scandalously, meanly betrayed, and it would serve the betrayer right if he paid him in his own coin.

He darted down the attic stairs, ran down the path to the boathouse, hurriedly changed his clothes for his bathing suit, ran along the shore of the creek and plunged in.
Miss Graham waved a hand to him as he shook the water from his eyes.
Over behind the sand dune a more or less interesting interview was taking place.

Seth, having made sure that his whistles were heard and his signals seen, sank down in the shadow and awaited developments.

They were not long in coming.