After years of stultifying office work, Joseph Wiley will try anything to get rich in a hurry. He's hustled all kinds of products, but each venture has left him deeper in debt, chained tighter to his office desk. When his latest moneymaker goes up in smoke, Wiley doesn't even bother to quit his job. He takes every cent he has to the airport and flies south, landing in Colombia, where he will make his millions - or lose his life.

In a quiet suburb of New York City, a mansion on a gated estate houses one of the most powerful crime syndicates in the United States - an elite Mafia whose dons belong to the finest families that the WASP establishment has to offer. Millions of dollars flow in and out of 19 Purchase Street, toted by bagmen who gladly risk everything to share in the syndicate's profits. Nothing disrupts operations - until a courier gets a dangerous idea.

Phillip Springer has been grading diamonds since he was eight years old. His eyes are as sharp as any magnifying glass, and he has used them to turn the family diamond business into a global concern. Besides their love of diamonds, the Springers have another interest: the occult, ESP, and the mystical power of gems. Phillip has never fully believed in such superstition, but a sudden death in his family forces him to contemplate things he thought impossible.

A woman steps out of a limousine on the Upper East Side, her jewels glittering brightly, and the doorman looks her over. A few phone calls later, the heist is planned. Thieves descend on the woman's home, planning to swipe the jewels and depart silently. Instead the robbery turns violent. Mitch Laughton doesn't intend to solve a murder case, but he will find the stolen jewels. A professional investigator of stolen gems, he is hired by the victims' insurance company to recover the $6 million haul.

Diver James McGregor is used to exploring sunken ships. But there's something strange about the wreck of the Grave Descend. No one aboard tells quite the same story about what happened. Then there's the mysterious cargo they were carrying....