Can there still be smugglers at Smuggler's Top? The Famous Five go to stay at the large old house, and discover lots of brilliant hiding places, even underground tunnels! Then they catch people signal...

Can there still be smugglers at Smuggler's Top? The Famous Five go to stay at the large old house, and discover lots of brilliant hiding places, even underground tunnels! Then they catch people signaling out to sea - who are they?