Twenty-year-old Justin Newman lands a great job in construction, then he disappears on the same day his new boss is found brutally murdered.

Single mother Christina Sanoubane leaves her abusive boyfriend to move into her own apartment, then, four days later, Sanoubane's toddler tells a visitor to the apartment that his mother is dead.

44-year old Larisa Macriello is a loving sister diligently working as a babysitter to buy her mother a home, but when she disappears and evidence of blood is found in her car, police discover she was leading a secret life that may have led to her murder.

Police are sent to Diane Holik's home, where they find her bruised and lifeless body.

Thirty-nine-year-old Melissa Lewis becomes a partner at a prestigious law firm, then she is found murdered, and police must scour her most intimate professional and private relationships to find her killer.

Peruvian immigrant Elizabeth Palomino is a shining light to everyone who knows her, then she is murdered, and police investigate whether there could be more to Palomino's American success story than meets the eye.

Elizabeth Palmer works with Matt Scott in Southern California's housing industry. When their brutally murdered bodies are discovered side-by-side in their office, investigators are initially perplexed by the gruesome execution-style killings. Written by Mikael Bryzell

Forty-year-old Michael Reese is a loving husband and son, who doesn't seem to have an enemy in the world, then his wife, Cindy, comes home to find him shot dead, forcing police to grapple with the secrets they uncover, one of which led to his murder.

Forty-three-year-old single father of four Richard Mannion is found shot to death in his home, and police suspect he may have been looking for love in all the wrong places.