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.

Holli has no memory of an under the influence of alcohol hit and run murder of a man of which she is accused and faces a prosecutor motivated to press the case hard for political ambitions.

Holli is confronted with murders having the same mode of operation of an LA serial killer inactive for six years and that was infatuated with her from when she was medical examiner in LA.