“I had to make a big detour to avoid them.”

“Well, there’s no time to lose. They may try to-morrow after all; we must be prepared. Oh, won’t the chief be pleased! We must try to find him. He’s in the Casino somewhere. He has many disguises. Come....” Bob peered everywhere, but could see no sign of Krantz.

“Let’s look at the windows they mean to swarm up,” suggested Bob. The two men pulled aside the yellow blinds and looked down. The ledge was broad and the height not great.

“Easy enough,” commented Bob. “By getting into the band-stand a dozen men could command the whole terrace. The plan’s been well considered, but we’ll fix it so as it can never be carried out. We’ve got you beaten, Mister Bergius.... God! What’s that?”

Hugh looked to where Bob was pointing. On the calm sea, lying close in, were two long steam launches. They manœuvred up and down, until they were hidden by the terrace.

“Did you see them, or did I dream?”

“No, it’s them ... them!”

A sudden fear seized Bob Bender. He looked up at the clock.

“Just on the stroke of six. If only Krantz were here. I wonder....”

The two men stared at one another, and even as they stared, a sudden shot rang out.