When an exotic animal keeper vanishes on her way to work at San Diego's Wild Animal Park in the fall of 2000, investigators unearth several suspects, but only one who had ample opportunity to go in for the kill.
In 2001, a massive explosion decimates a home on a quiet Scottsdale, Ariz., street; the bodies of three family members lie amid the rubble, but one key person is missing, and the search goes on for decades.
A spree killer who leaves his victims tied up with neckties torments the men of Atlanta in the fall of 2002; as investigators hit many dead ends, one clue left behind could be the final puzzle piece detectives need to tie these cases together.
In 2003, a lively college town in Kentucky faces tragedy after the vicious rape and murder of student Katie Autry; as police sift through the suspect list, two people stand out from the rest; one learns if they play with fire, they will get burned.
In 2004, three separate murders carried out over two weeks confound California police after they discover the culprit used the same type of gun; detectives first suspect robbery, but as they dig deeper, they unearth a darker motive.
A prison nurse falls hard for an inmate, and they start a torrid affair. However, their forbidden secret doesn't stay locked up for long, and in August of 2005, one criminal in the relationship turns into two.
In 2006, in Scottsdale, Arizona, a routine house fire sparks a confession of guilt that leads to an unimaginable act of revenge.
Opposites attract when a young woman with an aversion to deep water marries an ocean-loving boat captain; despite her fears, she decides to accompany her husband on a short boat trip to Bimini -- but they never return.
A vivacious young woman marries her long-term love, but he has one glaring flaw -- he's a pot dealer with many enemies. Then, in 2008, the couple turns up dead at their home, but with several potential suspects, finding the killer is not a done deal.
A 15-year-old high school girl meets a cute new guy through her best friend, and they quickly fall into a romantic relationship; however, as they celebrate New Year's Eve 2009 together, a mysterious double shooting threatens to break them up forever.