Diamond dealer Irwin M. Margolies goes on trial for hiring Donald Nash in the contract murders of Jenny Soo Chin and Margaret Barbera, as well as the murders of three CBS technicians who accidentally witnessed Margaret Barbera's murder.
When David Coffin is found shot to death inside his burning home, the investigation quickly points to Scott Davis, who became enraged when his ex-wife Megan Lee began dating Coffin.
Robert Durst goes on trial for the murder and dismemberment of Morris Black, and suspicions arise about his possible involvement in the deaths of his wife, Kathleen McCormack, and his friend, Susan Berman.
When Doris Angleton is murdered shortly after she filed for divorce and planned to tell the IRS that her husband Robert was a bookie, Robert Angleton and his brother Roger quickly became the prime suspects.
When nurse Chaz Higgs is accused of murdering his wife, politician Kathy Augustine, questions begin to arise about his possible involvement in the death of Charles Augustine, Kathy's third husband.
Shirley Withers is tried for the murder of her boyfriend, Australian millionaire Peter Shellard, and for later attempting to hire a hitman to murder her two accomplices.