A shout reached me over the sound of the crashing waves as I surfaced, gasping for air, my body sore and battered. I trod water for a minute, expecting to be grabbed at any moment, but slowly, as my wits returned to me, I realized that I was in some sort of rocky enclave, surrounded by craggy rocks. Above me I could see the cloudy night sky. Below me, the water swirled around my legs via the opening I’d been carried through, bobbing me around the small space made by the rocks. The rocks themselves blocked the sight of anything else—island, ship, or anyone swimming nearby—which meant no one could see me. More shouting ensued. I shivered and pressed myself up against the smoothest surface of rock I could find, praying all the while that no one else would find that handy little current that

