Peter Landers has only one more chance to redeem himself. The "chance" comes with a British insurance company's offer of a third mate's job on a fourth rate ship-the "Turkish Slave." Only Landers isn't hired as an ordinary seaman; he's hired to spy out the workings of an international smuggling ring...

Landers is new at this-so new that he sud- denly finds himself knifed, thrown overboard and left to drown. He is rescued by a lovely young Portuguese girl off the coast of Alvaro, a small Brazilian fishing island. With terrific odds against them, they set out to find one small opening in the ironclad operation...