"if we don't get away from here pretty quick."
"Why should we go now?" demanded Frank. "We've stumbled on something important. That may be the smugglers' cove."
"But how do they get to the house if you think they have anything to do with the Polucca place?" asked Tony. "Those cliffs in there are mighty steep."
"There must be some way that we don't know of. What do you say we hang around here for a while and see what we can do?"
Tony became infected with the enthusiasm of the Hardy boys and he readily agreed to keep the motorboat in the vicinity of the cliff, although it was decided that they should not remain too near, but cruise up and down the shore in case the sharp-eyed man should be watching them.
"It was a good thing we didn't put up an argument with that fellow," said Frank, at last.
"I'll say it was!" Tony agreed emphatically. "We didn't have much chance to argue with that revolver he had."
"I don't mean that. He may think we were just out for a cruise and accidentally wandered into that cove. If he knew we were hunting for dad he might have acted very differently."
"That's true, too," said Joe. "Well, we won't go home just yet."
It was late in the afternoon. The sky was
