Two pharmaceuticals executives who died of apparent allergic reactions at a company function were actually poisoned.
A Japanese sumo wrestler dies mysteriously, threatening international repercussions.
Holli finds herself on the wrong side of the law.
Mack is selected as part of a security team to protect the Vice President of the United States while on tour of New Zealand. He is also picked by a subversive team of operatives opposed to the V.P's environmental policies to be framed as his assassin.
A smuggler's death leads Holli to czarist jewels.
An escapee seeks an autopsy report which could clear her of the murder of her policeman husband.
The asthmatic daughter of a developer is kidnapped with a ransom demand that the name be given of the murderer of a Hawaiian construction worker who was trying to protect a sacred Hawaiian site found on a section of the development.
Although it appears a woman with a terminal illness might have committed suicide with a very toxic gardening chemical, several persons could have profited financially or situationally by poisoning the woman.
A prominent bookie is involved in a couple of accidental deaths while Herzog has an affair with a cop's wife who has faked the circumstance of her husband's death.
When Mack attends a reunion of prep school friends at a hotel where Holli is coincidentally on a romantic getaway, some of his friends are murdered for which infidelity or business betrayal could be the motive.
Dr. Holliday and Mac are enjoying a day off on the beach until they uncover a grave with human bones in it.