 McGarrett is investigating a cat burglar who pulls off jobs in spectacular fashion. His most recent heist totaled $30,000 of jewels from a room in a high-rise hotel. The culprit is Joey Rand, a lounge singer who s also a compulsive gambler who owes a Mainland syndicate $200,000. His girlfriend, who works for a company that does tours, supplies Joey with the names and room numbers of well-to-do people. Joey is now the target of a determined McGarrett and the syndicate that s ready to kill him over the singer s gambling debts.