When a past girlfriend of Greg's is killed in a traffic accident, the woman's husband hires MacKenzie to find out if her death was due to an extramarital affair.
Phil becomes concerned when his naive, spinster cousin comes to visit and falls for an oft-married, heavy drinking writer (Victor Jason), whose reputation precedes him on the island. Cricket feels differently about the situation.
Superstar Nora Stewart is preparing for a comeback concert several years after a mental breakdown had caused her to leave show business. While vacationing at The Hawaiian Village before the show she is terrorized by a mysterious stalker.
Phil's racecar driver friend Eddie Croft comes to Honolulu in an attempt to overcome the physical and psychological injuries that he suffered in a fiery crash at Le Mans.
Tennis pro Liz Downing is murdered minutes after Greg MacKenzie proposes to her. While searching for her killer, Greg learns much about her that he never knew.
Trouble ensues when actress Norma Marriott and her businessman husband plan to build a house upon land that is considered sacred by the local Hawaiian natives.
Building developer Jeff Richardson finds his job and his marriage endangered by allegations that he is having an affair with a woman who he claims he never met.
A security officer from the Hawaiian Eye is murdered by the thief who he interrupts in the process of stealing an ancient Polynesian navigation chart from the collection of the late Professor Coleman.
An armored car en route to the bank is robbed of two million dollars in cash; but the only people who knew the route beforehand were Tom Lopaka, Greg MacKenzie, and Mokie Richardson.
When Cricket discovers legendary jazz trumpeter Joey Vito waiting tables at an out of the way cafe she tries to talk him into performing again, not knowing that he is hiding from his past.