After an exhausting foreign books tour, Jessica checks in at the Kinkaid Oahu hotel, a penthouse suite, compliments of the owner Matt Kinkaid, who refuses to consider selling the hotel. Meanwhile Matts' son Jeff is running for Senator against his brother Dannys' boss D.A. Randall 'Randy' Thompson. Danny reluctantly works on a dirty Southeast Asian finance investigation involving banker Brett Reynolds (who finances Randys' campaign) and Martin Osborn, to which end financial whiz Joe Yoshanaga just entered the banks service. After his grandmother Rebecca tells Jessica Danny recently had a suspicious diving accident, he has a swim and a masked diver in a motorboat throws shark bait around him - he goes missing. Joe breaks into Reynolds' PC to send his personal files by modem to the abandoned sugar mill, and Jessica finds out that's where Danny's' cellular phone is connected; Dannys' girlfriend (the police detective) and Jessica find him there holding a gun, standing over family gardener ...